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

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