Country name 1980 1981 1982 1983
Brunei Darussalam 15 17 19 22
China 22 22 22 22
Albania 21 25 25 23
Bulgaria 31 30 25 25
Somalia 24 24 24 26
Nepal 26 27 26 27
Burundi 25 25 28 27
Ethiopia 31 33 32
Uganda 23 35 35 33
Nigeria 32 32 34
Hungary 34 33 33 34
Papua New Guinea 36 39 40 35
Mozambique 28 31 34 35
Liberia 36 35 36 36
Zambia 43 42 46 36
Malawi 34 38 38 36
Bhutan 45 41 38 36
Oman 28 30 34 36
Algeria 34 34 35 36
Gabon 33 35 33 37
Malta 32 34 35 37
Botswana 35 38 39 37
Indonesia 34 35 38 37
Rwanda 33 38 38 38
United Arab Emirates 27 31 36 38
Congo, Rep. 42 41 40 38
Niger 34 35 38 38
Philippines 36 36 38 38
Congo, Dem. Rep. 38 40 41 38
Latvia 37 36 37 39
Myanmar 41 40 40 40
Georgia 40 39 39 40
Cameroon 43 41 39 41
India 40 41 42 41
Malaysia 36 38 41 41
Kuwait 25 31 46 43
Bolivia 49 48 48 44
Mali 38 40 42 44
Togo 48 49 50 44
Central African Republic 40 41 45 45
Mauritania 44 42 44 45
Brazil 45 46 45 45
Sri Lanka 43 44 47 45
Guinea-Bissau 36 30 39 46
Kenya 47 47 47 46
Sierra Leone 45 48 47 47
Tunisia 48 48 50 47
Bangladesh 48 47 48 47
Chad 46 49 48 48
Pakistan 46 47 46 48
Tonga 47 48 49 48
Saudi Arabia 27 28 38 48
Colombia 48 49 49 49
Iran, Islamic Rep. 53 50 45 49
Thailand 48 49 52 49
Argentina 52 53 49 50
Lesotho 49 49 43 50
Egypt, Arab Rep. 45 42 48 50
Bahrain 40 41 46 51
Madagascar 54 53 52 51
Comoros 53 53 52 51
South Africa 45 48 50 51
Korea, Rep. 51 50 51 51
Sudan 53 49 48 51
Burkina Faso 50 50 52 51
Morocco 50 53 52 51
Turkey 50 48 49 51
Benin 52 54 52 51
Dominica 48 48 49 52
Guyana 41 47 48 53
Uruguay 53
Honduras 52 55 54 53
Costa Rica 54
Dominican Republic 52 54 54 54
Chile 55 57 60 54
Belize 42 46 53 54
Swaziland 47 47 50 55
Finland 53 54 55 55
Mongolia 58 56 55
Namibia 41 49 53 55
Ecuador 57 57 56 56
Venezuela, RB 49 51 53 56
New Zealand 55 55 55 56
Mexico 57 58 58 56
Cote d'Ivoire 54 55 55 57
Gambia, The 60 57 55 57
Norway 58 57 58 57
Puerto Rico 56 57 57 57
St. Vincent and the Grenadines 59 59 58 58
Australia 54 54 56 59
Zimbabwe 55 55 59 60
Senegal 60 58 56 60
Suriname 52 53 57 60
Mauritius 61 60 59 60
Austria 58 59 60 61
Fiji 56 59 58 62
Cyprus 57 58 60 62
Canada 59 60 62 62
Grenada 62 60 61 63
Singapore 62 63 64 63
St. Kitts and Nevis 57 64 62 64
Netherlands 63 63 64 64
Sweden 63 64 65 64
Kiribati 70 64 65 65
France 64 65 65 66
Jordan 68 67 66 66
United States 64 63 64 66
St. Lucia 62 64 65 67
Cuba 68 68 68 68
Barbados 68 70 71 70
Cabo Verde 64 67 72 71
Panama 72 72 73 74
Seychelles 78 75 78 76
Antigua and Barbuda 75 75 79 80
Macao SAR, China
Tajikistan
Italy
Macedonia, FYR
Ghana 28 35 34
St. Martin (French part)
Lithuania
Czech Republic
Germany
Sao Tome and Principe
Maldives
Sint Maarten (Dutch part)
Liechtenstein
Ireland
Guinea
Marshall Islands
Cambodia
French Polynesia
Angola
Libya
Samoa
Iraq
Kyrgyz Republic
Micronesia, Fed. Sts.
Cayman Islands
Spain
Slovenia
Moldova
Monaco
Greenland
Yemen, Rep.
El Salvador
Curacao
Switzerland
Belarus
Djibouti
Greece
Trinidad and Tobago
Faeroe Islands
Turks and Caicos Islands
Guam
Andorra
Bahamas, The
Luxembourg
Afghanistan
San Marino
New Caledonia
Eritrea
Belgium
Serbia
Nicaragua
Azerbaijan
Bosnia and Herzegovina
Lao PDR
Slovak Republic
Equatorial Guinea
Solomon Islands
Northern Mariana Islands
Iceland
South Sudan
Virgin Islands (U.S.)
Kosovo
Croatia
Korea, Dem. Rep.
Palau
Hong Kong SAR, China
Uzbekistan
Kazakhstan
Haiti
Japan
Isle of Man
Syrian Arab Republic
Peru
Tanzania
Armenia
Timor-Leste
Poland
Denmark
Portugal
Jamaica
Guatemala
Turkmenistan
Qatar
Tuvalu
Romania 27 25
Ukraine
Russian Federation
United Kingdom
Estonia
Israel
Aruba
Vanuatu
Paraguay
Vietnam
Bermuda
West Bank and Gaza
Montenegro
American Samoa
Lebanon

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