| Country name | 1983 | 1984 | 1985 | 1986 | 1987 | ||
|---|---|---|---|---|---|---|---|
| Afghanistan | |||||||
| Albania | 23 | 23 | 22 | 22 | 21 |
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| Algeria | 36 | 37 | 37 | 42 | 41 |
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| American Samoa | |||||||
| Andorra | |||||||
| Angola | 43 | 52 | 46 |
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| Antigua and Barbuda | 80 | 80 | 78 | 76 | 75 |
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| Argentina | 50 | 52 | 53 | 55 | 54 |
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| Armenia | |||||||
| Aruba | |||||||
| Australia | 59 | 57 | 57 | 58 | 60 |
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| Austria | 62 | 62 | 63 | 63 | 64 |
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| Azerbaijan | |||||||
| Bahamas, The | 84 | 84 | 84 | 83 |
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| Bahrain | 51 | 50 | 50 | 55 | 55 |
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| Bangladesh | 47 | 47 | 46 | 47 | 47 |
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| Barbados | 70 | 70 | 73 | 74 | 74 |
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| Belarus | |||||||
| Belgium | 65 | 65 | 65 | 66 | 67 |
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| Belize | 54 | 52 | 55 | 55 | 50 |
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| Benin | 51 | 50 | 52 | 54 | 54 |
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| Bermuda | |||||||
| Bhutan | 36 | 36 | 37 | 38 | 37 |
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| Bolivia | 44 | 44 | 45 | 47 | 49 |
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| Bosnia and Herzegovina | |||||||
| Botswana | 37 | 35 | 32 | 32 | 31 |
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| Brazil | 45 | 43 | 43 | 44 | 44 |
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| Brunei Darussalam | 22 | 25 | 27 | 39 | 39 |
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| Bulgaria | 25 | 24 | 25 | 22 | 29 |
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| Burkina Faso | 51 | 50 | 45 | 47 | 48 |
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| Burundi | 27 | 26 | 25 | 28 | 28 |
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| Cambodia | |||||||
| Cameroon | 41 | 39 | 42 | 44 | 45 |
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| Canada | 62 | 61 | 61 | 64 | 64 |
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| Cape Verde | 71 | 71 | 69 | 69 | 64 |
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| Cayman Islands | |||||||
| Central African Republic | 45 | 43 | 36 | 36 | 38 |
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| Chad | 48 | 50 | 49 | 52 | 52 |
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| Chile | 54 | 52 | 55 | 54 | 53 |
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| China | 22 | 25 | 29 | 29 | 30 |
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| Colombia | 49 | 48 | 47 | 45 | 45 |
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| Comoros | 51 | 50 | 50 | 50 | 51 |
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| Congo, Dem. Rep. | 38 | 39 | 37 | 40 | 42 |
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| Congo, Rep. | 38 | 36 | 39 | 55 | 52 |
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| Costa Rica | 54 | 53 | 55 | 55 | 55 |
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| Cote d'Ivoire | 57 | 56 | 54 | 50 | 48 |
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| Croatia | |||||||
| Cuba | 68 | 68 | 68 | 67 | 69 |
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| Curacao | |||||||
| Cyprus | 62 | 62 | 64 | 65 | 65 |
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| Czech Republic | |||||||
| Denmark | 69 | 68 | 68 | 68 | 69 |
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| Djibouti | |||||||
| Dominica | 52 | 54 | 55 | 55 | 55 |
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| Dominican Republic | 54 | 53 | 69 | 59 | 67 |
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| Ecuador | |||||||
| Egypt, Arab Rep. | 50 | 51 | 51 | 52 | 52 |
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| El Salvador | |||||||
| Equatorial Guinea | 22 | 24 | 24 |
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| Eritrea | |||||||
| Estonia | |||||||
| Ethiopia | 30 | 34 | 31 | 32 | 32 |
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| Faeroe Islands | |||||||
| Fiji | 62 | 65 | 62 | 59 | 56 |
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| Finland | 55 | 55 | 57 | 58 | 59 |
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| France | 65 | 66 | 66 | 67 | 67 |
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| French Polynesia | |||||||
| Gabon | 37 | 34 | 27 | 43 | 40 |
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| Gambia, The | 57 | 55 | 60 | 60 | 59 |
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| Georgia | 40 | 38 | 35 | 36 | 38 |
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| Germany | 59 | 59 | 59 | 59 | 60 |
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| Ghana | 37 | 34 | 35 | 33 |
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| Greece | |||||||
| Greenland | |||||||
| Grenada | 63 | 63 | 65 | 65 | 62 |
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| Guam | |||||||
| Guatemala | |||||||
| Guinea | 41 | 43 |
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| Guinea-Bissau | 46 | 44 | 38 | 35 | 29 |
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| Guyana | 53 | 51 | 49 | 46 | 40 |
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| Haiti | |||||||
| Honduras | 53 | 53 | 54 | 56 | 56 |
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| Hong Kong SAR, China | |||||||
| Hungary | 34 | 34 | 35 | 36 | 37 |
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| Iceland | 55 | 53 | 53 | 52 | 52 |
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| India | 41 | 42 | 43 | 44 | 45 |
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| Indonesia | 37 | 38 | 41 | 42 | 40 |
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| Iran, Islamic Rep. | 49 | 51 | 54 | 57 | 55 |
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| Iraq | |||||||
| Ireland | 53 | 53 | 53 | 55 | 55 |
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| Isle of Man | |||||||
| Israel | |||||||
| Italy | 59 | 60 | 61 | 62 | 63 |
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| Jamaica | |||||||
| Japan | 60 | 59 | 60 | 60 | 60 |
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| Jordan | 65 | 65 | 69 | 69 | 69 |
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| Kazakhstan | |||||||
| Kenya | 46 | 47 | 48 | 48 | 50 |
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| Kiribati | 65 | 50 | 57 | 64 | 64 |
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| Korea, Dem. Rep. | |||||||
| Korea, Rep. | 47 | 47 | 47 | 48 | 48 |
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| Kosovo | |||||||
| Kuwait | 43 | 40 | 42 | 53 | 48 |
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| Kyrgyz Republic | |||||||
| Lao PDR | |||||||
| Latvia | 39 | 38 | 35 | 35 | 36 |
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| Lebanon | |||||||
| Lesotho | 50 | 46 | 46 | 49 | 43 |
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| Liberia | 36 | 36 | 36 | 35 | 39 |
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| Libya | |||||||
| Liechtenstein | |||||||
| Lithuania | |||||||
| Luxembourg | 69 | 68 | 68 | 68 | 71 |
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| Macao SAR, China | |||||||
| Macedonia, FYR | |||||||
| Madagascar | 51 | 52 | 52 | 50 | 50 |
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| Malawi | 36 | 38 | 35 | 35 | 26 |
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| Malaysia | 41 | 41 | 42 | 42 | 42 |
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| Maldives | |||||||
| Mali | 44 | 41 | 44 | 42 | 39 |
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| Malta | 37 | 36 | 36 | 36 | 38 |
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| Marshall Islands | |||||||
| Mauritania | 45 | 46 | 45 | 42 | 41 |
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| Mauritius | 60 | 58 | 54 | 52 | 52 |
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| Mexico | 56 | 56 | 55 | 55 | 52 |
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| Micronesia, Fed. Sts. | |||||||
| Moldova | |||||||
| Monaco | |||||||
| Mongolia | 55 | 56 | 56 | 53 | 55 |
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| Montenegro | |||||||
| Morocco | 51 | 52 | 50 | 48 | 50 |
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| Mozambique | 35 | 50 | 39 | 44 | 34 |
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| Myanmar | 40 | 39 | 39 | 38 | 34 |
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| Namibia | 47 | 49 | 45 | 46 | 49 |
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| Nepal | 27 | 26 | 33 | 33 | 33 |
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| Netherlands | 64 | 63 | 63 | 65 | 66 |
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| New Caledonia | |||||||
| New Zealand | 60 | 59 | 61 | 62 | 63 |
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| Nicaragua | |||||||
| Niger | 38 | 43 | 42 | 43 | 46 |
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| Nigeria | |||||||
| Northern Mariana Islands | |||||||
| Norway | 56 | 55 | 55 | 62 | 62 |
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| Oman | 36 | 38 | 38 | 45 | 40 |
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| Pakistan | 48 | 49 | 49 | 49 | 50 |
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| Palau | |||||||
| Panama | 74 | 74 | 72 | 75 | 72 |
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| Papua New Guinea | 35 | 34 | 35 | 34 | 32 |
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| Paraguay | 51 | 49 | 48 | 50 | 50 |
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| Peru | 61 | 56 |
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| Philippines | 38 | 37 | 40 | 41 | 42 |
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| Poland | |||||||
| Portugal | 54 | 55 | 56 | 59 | 59 |
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| Puerto Rico | 59 | 58 | 58 | 58 | 57 |
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| Qatar | |||||||
| Romania | |||||||
| Russian Federation | |||||||
| Rwanda | 38 | 36 | 35 | 39 | 44 |
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| Samoa | |||||||
| San Marino | |||||||
| Sao Tome and Principe | |||||||
| Saudi Arabia | 48 | 51 | 55 | 57 | 54 |
|
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| Senegal | 60 | 58 | 56 | 56 | 55 |
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| Serbia | |||||||
| Seychelles | 76 | 77 | 76 | 76 | 79 |
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| Sierra Leone | 47 | 46 | 41 | 46 | 36 |
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| Singapore | 63 | 62 | 66 | 65 | 66 |
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| Sint Maarten (Dutch part) | |||||||
| Slovak Republic | 32 | 32 | 32 |
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| Slovenia | |||||||
| Solomon Islands | |||||||
| Somalia | 26 | 25 | 26 | 28 |
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| South Africa | 51 | 52 | 51 | 51 | 53 |
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| South Sudan | |||||||
| Spain | 59 | 59 | 59 | 59 | 60 |
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| Sri Lanka | 45 | 45 | 46 | 46 | 46 |
|
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| St. Kitts and Nevis | 64 | 65 | 69 | 65 | 65 |
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| St. Lucia | 67 | 67 | 67 | 65 | 69 |
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| St. Martin (French part) | |||||||
| St. Vincent and the Grenadines | 58 | 59 | 57 | 57 | 58 |
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| Sudan | 51 | 53 | 50 | 47 | 51 |
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| Suriname | 60 | 59 | 61 | 62 | 64 |
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| Swaziland | 55 | 51 | 53 | 48 | 46 |
|
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| Sweden | 64 | 64 | 64 | 64 | 64 |
|
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| Switzerland | |||||||
| Syrian Arab Republic | 55 | 51 | 53 |
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| Tajikistan | 25 | 27 | 27 |
|
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| Tanzania | |||||||
| Thailand | 49 | 50 | 52 | 51 | 51 |
|
|
| Timor-Leste | |||||||
| Togo | 44 | 46 | 45 | 45 | 47 |
|
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| Tonga | 48 | 46 | 47 | 47 | 49 |
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| Trinidad and Tobago | 52 | 53 | 58 | 56 |
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| Tunisia | 47 | 45 | 44 | 50 | 48 |
|
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| Turkey | 51 | 52 | 53 | 48 | 49 |
|
|
| Turkmenistan | 34 | ||||||
| Turks and Caicos Islands | |||||||
| Tuvalu | |||||||
| Uganda | 33 | 34 | 37 | 33 | 33 |
|
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| Ukraine | 31 | ||||||
| United Arab Emirates | 38 | 36 | 38 | 47 | 44 |
|
|
| United Kingdom | 59 | 59 | 60 | 61 | 61 |
|
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| United States | 66 | 66 | 67 | 68 | 69 |
|
|
| Uruguay | 53 | 51 | 50 | 51 | 50 |
|
|
| Uzbekistan | 34 | ||||||
| Vanuatu | 66 | 65 | 63 | 66 | 66 |
|
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| Venezuela, RB | 56 | 42 | 43 | 44 | 43 |
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| Vietnam | 32 | 33 | 31 |
|
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| Virgin Islands (U.S.) | |||||||
| West Bank and Gaza | |||||||
| Yemen, Rep. | |||||||
| Zambia | 36 | 40 | 39 | 37 | 42 |
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| Zimbabwe | 60 | 53 | 49 | 51 | 53 |
|