Country name 1984 1985 1986 1987 1988
Afghanistan 30 30 32 32
Albania 49 48 48 49 49
Algeria 41 41 42 42 42
American Samoa 47 48 47 51 51
Andorra
Angola 39 41 42
Antigua and Barbuda 57
Argentina 62 62 64 64 64
Armenia
Aruba
Australia 49 49 50 50 50
Austria 49 49 48 48 48
Azerbaijan 50
Bahamas, The 53 52 51
Bahrain 49 50 51 52 52
Bangladesh 29 28 31 31 32
Barbados 51 50
Belarus 50 50
Belgium 50 51 51 51 51
Belize 52 51
Benin 28 29 28 28
Bermuda 50 50
Bhutan 24 24
Bolivia 45 45 45
Bosnia and Herzegovina
Botswana 54 53 53 52 51
Brazil
Brunei Darussalam 52 51
Bulgaria 52 52 52 52 52
Burkina Faso 33 33 32 31 32
Burundi 27 28 30 34 35
Cabo Verde 43 42 45 47 49
Cambodia 37 37 34
Cameroon 36 37 37 38 39
Canada 49 49 49 49 49
Cayman Islands
Central African Republic 24 26 26 28 27
Chad 15 15 15
Chile 51 51 51
China 39 40 40 41 41
Colombia 50 50 50 50 50
Comoros 39 40
Congo, Dem. Rep. 30
Congo, Rep. 42 42 42 43 43
Costa Rica 52 52 52 51 51
Cote d'Ivoire 28 29 29 30 30
Croatia
Cuba 52 52 52 52 52
Curacao
Cyprus 53 53 53 53 53
Czech Republic 51 51 51 51 50
Denmark 51 51 51 51 51
Djibouti 31 32 33 35 35
Dominica 56 54 53 52
Dominican Republic 55 55
Ecuador 48 47 47 48 48
Egypt, Arab Rep. 38 38 39 40 40
El Salvador 50 52
Equatorial Guinea
Eritrea
Estonia 51 51 52 52 53
Ethiopia 36 38 39 39 39
Faeroe Islands
Fiji 50 50 50 50
Finland 54 54 53 53 53
France 52 52 52 52
French Polynesia 57 56 57 57 57
Gabon 43 43 44 45 45
Gambia, The 30 30 30
Georgia 46
Germany
Ghana 38 38 41 40
Greece 50 50 50 50 51
Greenland
Grenada 54 54 53 53 51
Guam 48 48 49 49 49
Guatemala
Guinea 27 26 26 25 23
Guinea-Bissau 20 23 27 28
Guyana 51 51 52 52
Haiti 48 48 47 46 49
Honduras 51
Hong Kong SAR, China 51 51 51 51 51
Hungary 51 51 51 51 51
Iceland 51 51
India 32 33 33 34 34
Indonesia 42 42 44
Iran, Islamic Rep. 41 41 40 40 40
Iraq 34 35 36 37 38
Ireland 50 50 50 50 50
Isle of Man
Israel 52 52 52 52 52
Italy 49 49 49 49 49
Jamaica 52 52 52
Japan 50 50 50 50 50
Jordan 48 48 48 49 49
Kazakhstan
Kenya 43 43 44 44 45
Kiribati 50 51 52 51 52
Korea, Dem. Rep.
Korea, Rep. 47 47 47 47 47
Kosovo
Kuwait 47 47 47 47 48
Kyrgyz Republic 49
Lao PDR 40 40 42 42
Latvia 50
Lebanon 50
Lesotho 60 59 60 61 60
Liberia
Libya 45
Liechtenstein
Lithuania
Luxembourg 55 55 55 54 54
Macao SAR, China
Macedonia, FYR
Madagascar 42 46
Malawi 32 33 34 34 36
Malaysia 49 49 49 50 50
Maldives
Mali 29 29 30 30 30
Malta 52 56 56 54 53
Marshall Islands
Mauritania 26 27 28 29 31
Mauritius 47 47 47 48 49
Mexico 45 45 46 47 47
Micronesia, Fed. Sts.
Moldova 51
Monaco
Mongolia 52 51 52
Montenegro
Morocco 39 39 39 40 40
Mozambique 33 35 35
Myanmar 45 46 47 47 47
Namibia
Nepal
Netherlands 53 53 53 53 53
New Caledonia 55 54 55 54 54
New Zealand 49 50 49 49 49
Nicaragua 57 65 63 63 63
Niger 28 29
Nigeria 27 41
Northern Mariana Islands
Norway 51 51 51 51 51
Oman 29 32 34 37 39
Pakistan 25 26 27 27 28
Palau
Panama 51 51 51 51 51
Papua New Guinea 36 37 36 37
Paraguay 49 49 49 50
Peru 47
Philippines 51 51 50 50 49
Poland
Portugal 53 54 53 49 53
Puerto Rico 51 51 51 51 51
Qatar 51 51 52 55 52
Romania
Russian Federation 50
Rwanda 43 44 44 45 45
Samoa 50
San Marino 46 47 48 53 52
Sao Tome and Principe 47 47
Saudi Arabia
Senegal 33 34 33 33 34
Serbia
Seychelles 49 49 48 48 49
Sierra Leone 32 32 33 33
Singapore 51 51 50 50 50
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands 34 38
Somalia 37 36 36
South Africa 52 52 52
South Sudan
Spain 51 51 50 51 50
Sri Lanka 52 52 52 51 51
St. Kitts and Nevis 49 49 49 51 52
St. Lucia 57 57 58 57 54
St. Martin (French part)
St. Vincent and the Grenadines 59 60 59 56 60
Sudan 42 43 43
Suriname 56 57 57
Swaziland 49 49 49 50 50
Sweden 52 51 51 51
Switzerland 50 50 50 50 50
Syrian Arab Republic 39 40 41 41 41
Tajikistan
Tanzania 36 37 38 40 41
Thailand
Timor-Leste
Togo 25 24 24 23 24
Tonga 49 50 49
Trinidad and Tobago 51 50 50 50
Tunisia 40 40 41 42 42
Turkey 37 37 37 38
Turkmenistan
Turks and Caicos Islands
Tuvalu 44 51
Uganda 33 33 35 33 33
Ukraine
United Arab Emirates 47 48 49 49 50
United Kingdom 49 49 49 49 49
United States 49 49 49 49
Uruguay
Uzbekistan 47
Vanuatu
Venezuela, RB 54 54 54 54 54
Vietnam 47 47
Virgin Islands (U.S.) 50 49 49 49 49
West Bank and Gaza
Yemen, Rep.
Zambia 36 37 37 37
Zimbabwe 40 40 40 41 42

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