Country name 1986 1987 1988 1989 1990
Yemen, Rep. 46 46 46 46 46
Kenya 47 47 48 48 48
Rwanda 48 48 47 47 48
Sao Tome and Principe 48 48 47 47 48
Swaziland 48 49 49 49 49
Syrian Arab Republic 49 49 49 50 50
Uganda 50 49 49 49 49
Burkina Faso 50 50 49 49 49
Senegal 50 50 50 50 50
Angola 50 50 50 50 50
Zimbabwe 49 50 50 50 51
Chad 50 50 49 49 49
Zambia 50 50 50 50 50
Jordan 49 50 50 50 50
Iraq 50 50 50 50 50
Burundi 51 50 50 49 49
Niger 50 50 50 50 50
Cabo Verde 50 50 50 50 50
Solomon Islands 50 50 51 51 52
Maldives 51 50 50 50 50
Afghanistan 50 50 50 50 50
Cameroon 50 50 50 50 50
Mali 51 50 50 50 50
Malawi 50 50 51 51 52
Nicaragua 50 50 51 51 51
Togo 50 50 50 51 51
Comoros 51 50 50 50 50
Ethiopia 51 51 51 51 51
Benin 51 51 51 51 51
Mozambique 51 51 50 50 49
Gambia, The 51 51 51 51 51
Honduras 51 51 51 51 51
Sudan 51 51 51 51 52
Iran, Islamic Rep. 51 51 51 51 51
Tanzania 51 51 51 51 51
Namibia 50 51 52 52 53
Guatemala 51 51 51 51 51
Micronesia, Fed. Sts. 51 51 52 52 52
Belize 51 51 52 52 52
Lesotho 51 51 52 52 52
Eritrea 52 52 51 51 51
Botswana 51 52 52 52 53
Madagascar 51 52 52 52 52
Liberia 52 52 52 52 52
Congo, Dem. Rep. 52 52 52 52 51
Guinea-Bissau 52 52 52 52 52
Algeria 52 52 52 53 53
Congo, Rep. 52 52 52 52 53
Oman 52 52 52 52 52
Nigeria 52 52 52 52 52
Lao PDR 52 52 52 52 52
Mauritania 52 52 52 52 52
Cote d'Ivoire 52 52 52 52 53
Somalia 52 52 52 52 52
Vanuatu 53 53 53 53 53
Djibouti 53 53 52 52 53
Ghana 53 53 53 53 53
Gabon 53 53 53 53 52
Sierra Leone 53 53 53 53 53
Tajikistan 53 53 53 53 53
South Sudan 53 53 53 53 53
Central African Republic 53 53 53 53 53
Haiti 53 53 53 53 53
Guinea 53 53 53 53 53
Pakistan 53 53 53 53 53
Bhutan 53 53 53 53 53
Libya 53 53 54 54 55
Cambodia 54 54 54 53 53
Bangladesh 53 54 54 54 55
Papua New Guinea 53 54 54 55 55
Bolivia 54 54 54 54 54
Mongolia 54 54 54 55 55
Nepal 54 54 54 54 54
Paraguay 55 55 55 55 55
El Salvador 54 55 55 55 56
Egypt, Arab Rep. 55 55 54 54 54
Mexico 54 55 55 56 57
Samoa 55 55 55 55 56
Grenada 55 55 55 54 53
Saudi Arabia 55 55 55 55 55
Uzbekistan 55 55 55 55 55
St. Vincent and the Grenadines 55 55 56 56 56
St. Lucia 55 55 56 56 56
Philippines 55 55 55 56 56
Morocco 55 56 56 56 56
Turkmenistan 56 56 56 56 56
Tonga 56 56 56 56 56
Vietnam 56 56 56 57 57
Jamaica 56 57 57 57 57
Ecuador 56 57 57 57 58
Peru 56 57 57 57 58
Dominican Republic 56 57 57 57 57
Myanmar 56 57 57 58 58
South Africa 57 57 57 57 58
Tunisia 57 57 57 58 58
Kiribati 57 57 57 56 56
Kyrgyz Republic 58 58 58 57 57
India 58 58 58 58 58
Seychelles 58 58 58 58 57
Turkey 57 58 58 59 59
Timor-Leste 58 58 58 59 59
Venezuela, RB 58 58 58 58 58
Panama 58 58 58 59 59
Guyana 57 58 59 60 61
Indonesia 58 58 59 59 60
Fiji 58 58 58 58 59
Malaysia 58 58 59 59 59
Colombia 59 59 59 59 59
Lebanon 58 59 59 60 60
Israel 59 59 59 60 60
Equatorial Guinea 60 59 59 58 58
Brazil 59 60 60 60 61
Ireland 60 60 60 61 61
Trinidad and Tobago 60 60 60 60 61
Costa Rica 60 60 60 60 60
Argentina 61 60 60 60 60
Suriname 60 61 61 61 61
Albania 61 61 61 62 62
French Polynesia 61 61 61 61 61
Brunei Darussalam 60 61 62 62 63
New Caledonia 61 61 62 63 63
Sri Lanka 61 61 62 62 62
Bahamas, The 61 62 62 63 63
Virgin Islands (U.S.) 61 62 63 64 65
Kuwait 62 62 62 63 64
Azerbaijan 62 62 62 62 62
Uruguay 62 62 62 62 62
Puerto Rico 62 62 63 63 63
Kazakhstan 62 62 63 63 63
Thailand 62 63 64 65 65
Chile 64 64 64 64 64
Iceland 64 64 64 64 64
Barbados 63 64 65 65 66
Bahrain 64 64 64 65 65
Slovak Republic 64 64 64 64 64
Antigua and Barbuda 64 64 64 63 62
Armenia 64 64 64 64 64
Sweden 65 65 64 64 64
Moldova 65 65 64 64 64
Norway 64 65 65 65 65
Portugal 65 65 65 66 66
Poland 65 65 65 65 65
Mauritius 64 65 65 66 66
China 65 65 65 66 66
Cyprus 65 65 65 65 65
Czech Republic 65 65 65 65 66
Guam 65 65 66 66 66
New Zealand 65 65 66 66 66
Spain 65 66 66 66 67
United Kingdom 66 66 66 65 65
Romania 66 66 66 66 66
Curacao 66 66 66 65 65
Greece 66 66 66 67 67
Malta 66 66 66 66 66
United States 66 66 66 66 66
Georgia 66 66 66 66 66
Cuba 66 66 67 68 68
Estonia 66 66 66 66 66
Hungary 66 66 66 66 66
France 66 66 66 66 66
Australia 66 66 67 67 67
Montenegro 66 66 66 66 66
Macedonia, FYR 66 67 67 67 67
Korea, Dem. People’s Rep. 66 67 68 69 69
Latvia 67 67 67 67 67
Lithuania 67 67 67 67 67
Bulgaria 67 67 67 67 67
Belarus 67 67 67 67 66
Ukraine 67 67 67 67 67
Denmark 67 67 67 67 67
United Arab Emirates 67 67 67 68 68
Korea, Rep. 66 67 68 69 69
Russian Federation 67 67 67 67 67
Macao SAR, China 67 67 68 68 68
Belgium 68 68 67 67 67
Aruba 68 68 68 68 68
Finland 68 68 68 67 67
Slovenia 68 68 68 68 69
Austria 68 68 68 68 68
Italy 68 68 68 69 69
Canada 68 68 68 68 68
Switzerland 68 68 68 68 68
Croatia 69 69 69 69 69
Bosnia and Herzegovina 68 69 69 69 69
Japan 68 69 69 70 70
Netherlands 69 69 69 69 69
Hong Kong SAR, China 69 69 70 70 70
Qatar 70 70 70 70 70
Luxembourg 70 70 70 69 69
Germany 70 70 70 69 69
Singapore 71 71 72 73 73
Marshall Islands
Dominica
Palau
Serbia 67
Cayman Islands
St. Martin (French part)
Sint Maarten (Dutch part)
Monaco
Bermuda
San Marino
Northern Mariana Islands
Tuvalu
Isle of Man
Liechtenstein
Faroe Islands
West Bank and Gaza 49
American Samoa
St. Kitts and Nevis
Andorra
Turks and Caicos Islands
Greenland

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