Country name 1986 1987 1988 1989 1990
Sierra Leone 40 39 39 38 37
Angola 41 41 41 41 41
South Sudan 41 42 42 43 44
Mozambique 42 42 42 43 43
Rwanda 49 46 43 38 33
Niger 42 43 43 43 44
Malawi 45 45 44 44 44
Mali 44 45 45 46 46
Somalia 46 46 46 46 45
Zambia 48 47 46 45 44
Uganda 47 47 46 46 45
Ethiopia 45 46 46 47 47
Nigeria 46 46 46 46 46
Chad 46 46 47 47 47
Timor-Leste 45 46 47 48 48
Eritrea 46 46 47 47 48
Liberia 47 47 47 47 47
Equatorial Guinea 47 47 47 48 48
Afghanistan 46 47 48 49 50
Guinea 46 47 48 49 50
Guinea-Bissau 48 48 48 49 49
Congo, Dem. Rep. 48 48 48 49 49
Burundi 49 49 49 48 48
Burkina Faso 49 49 49 49 49
Central African Republic 50 50 50 49 49
Madagascar 50 50 50 51 51
Tanzania 51 51 51 50 50
Bhutan 49 50 51 52 52
Gambia, The 51 51 52 52 52
Benin 51 51 52 53 53
Nepal 51 52 53 53 54
Lao PDR 52 52 53 53 54
Cambodia 52 52 53 53 54
Cote d'Ivoire 53 53 53 53 53
Cameroon 53 53 53 54 54
Haiti 53 53 54 54 55
Bolivia 53 54 54 55 55
Sudan 55 55 55 55 56
Papua New Guinea 55 55 55 55 56
Togo 55 55 56 56 56
Comoros 54 55 56 56 57
Ghana 55 55 56 56 57
Congo, Rep. 56 56 56 55 55
Djibouti 56 56 56 56 57
Senegal 55 56 56 57 57
Solomon Islands 57 56 56 56 57
Yemen, Rep. 56 56 57 57 58
India 56 57 57 57 58
Bangladesh 56 57 57 58 58
Mauritania 57 58 58 58 58
Myanmar 57 58 58 58 59
Lesotho 57 57 58 59 59
Swaziland 58 58 59 59 59
Kiribati 58 59 59 60 60
Kenya 60 60 59 59 59
Pakistan 59 59 60 60 60
Mongolia 59 59 60 60 60
Maldives 58 59 60 61 61
Iran, Islamic Rep. 57 59 61 62 64
Gabon 60 60 61 61 61
Namibia 60 61 61 61 61
Guatemala 60 61 61 62 62
Zimbabwe 62 62 61 61 60
South Africa 60 61 61 62 62
Sao Tome and Principe 61 61 61 62 62
El Salvador 60 61 62 63 64
Vanuatu 62 62 62 63 63
Indonesia 62 62 63 63 63
Nicaragua 61 62 63 63 64
Turkmenistan 62 63 63 63 63
Botswana 63 63 63 63 63
Tajikistan 63 63 63 63 63
Turkey 62 63 63 64 64
Guyana 63 63 63 63 64
Morocco 62 63 63 64 65
Egypt, Arab Rep. 62 63 64 64 65
Samoa 63 63 64 65 65
Peru 63 64 65 65 66
Greenland 64 65 65 65 65
Brazil 64 64 65 65 65
Iraq 63 64 65 66 66
Philippines 64 64 65 65 65
Cabo Verde 64 64 65 65 66
Fiji 65 65 65 65 66
Azerbaijan 66 66 65 65 65
Honduras 64 65 66 66 67
Kyrgyz Republic 65 66 66 68 68
Micronesia, Fed. Sts. 66 66 66 66 66
Algeria 65 65 66 66 67
Oman 65 65 66 67 67
Dominican Republic 66 66 67 67 68
Uzbekistan 67 67 67 67 67
Moldova 67 67 67 67 67
Suriname 67 67 67 67 68
Tunisia 66 67 68 68 70
Paraguay 67 68 68 68 68
Trinidad and Tobago 68 68 68 68 68
Libya 67 68 68 68 69
Ecuador 67 67 68 68 69
Colombia 68 68 68 68 68
Grenada 68 68 68 68 68
Armenia 69 69 68 68 68
Saudi Arabia 67 68 68 69 69
French Polynesia 68 68 68 69 69
Korea, Dem. People’s Rep. 68 68 69 69 69
China 68 69 69 69 69
Kazakhstan 69 69 69 68 68
Mauritius 68 69 69 69 69
Tonga 69 69 69 69 70
Jordan 69 69 69 70 70
Romania 69 69 69 70 70
Sri Lanka 69 69 69 70 70
New Caledonia 69 69 69 69 70
Russian Federation 69 69 69 69 69
Syrian Arab Republic 69 69 69 70 70
Venezuela, RB 69 69 70 70 70
Lebanon 69 69 70 70 70
St. Vincent and the Grenadines 69 69 70 70 70
Thailand 69 69 70 70 70
Vietnam 69 70 70 70 70
Mexico 69 70 70 70 71
Hungary 69 70 70 69 69
Georgia 70 70 70 70 70
Bahamas, The 70 70 70 70 71
Malaysia 70 70 70 71 71
Korea, Rep. 69 70 70 71 71
Ukraine 70 70 70 71 70
Latvia 71 71 71 70 69
Antigua and Barbuda 70 70 71 71 71
Barbados 70 70 71 71 71
Estonia 70 71 71 70 69
Macedonia, FYR 70 70 71 71 71
St. Lucia 71 71 71 71 71
United Arab Emirates 70 71 71 71 72
Argentina 71 71 71 71 72
Slovak Republic 71 71 71 71 71
Bosnia and Herzegovina 71 71 71 71 71
Poland 71 71 71 71 71
Belarus 72 71 71 72 71
Belize 71 71 71 71 71
Croatia 71 71 71 72 72
Guam 71 71 72 72 72
Bulgaria 72 72 72 72 72
Czech Republic 71 71 72 72 71
Lithuania 72 72 72 71 71
Chile 71 71 72 72 73
Kuwait 71 72 72 72 72
Albania 72 72 72 72 72
Jamaica 72 72 72 72 72
Bahrain 72 72 72 72 73
Uruguay 72 72 72 72 73
Slovenia 72 72 72 73 73
Brunei Darussalam 72 72 73 73 73
Panama 72 72 73 73 73
Aruba 73 73 73 73 73
Portugal 73 74 74 74 74
Virgin Islands (U.S.) 73 74 74 74 75
Montenegro 74 74 74 74 74
St. Martin (French part) 74 74 74 74 75
Ireland 74 74 74 75 75
Puerto Rico 74 74 74 74 74
New Zealand 74 74 74 75 75
Israel 75 75 74 76 77
Luxembourg 74 74 74 75 75
Finland 75 75 75 75 75
Cuba 75 75 75 75 75
Singapore 74 75 75 75 75
Malta 74 75 75 75 75
Qatar 74 75 75 75 75
Macao SAR, China 74 74 75 75 75
United States 75 75 75 75 75
Denmark 75 75 75 75 75
Germany 74 75 75 75 75
Austria 74 75 75 75 76
Costa Rica 75 75 75 75 76
United Kingdom 75 75 75 76 76
Belgium 75 75 76 76 76
Faroe Islands 75 75 76 76 76
Greece 75 76 76 77 77
France 76 76 76 76 77
Cyprus 76 76 76 76 77
Norway 76 76 76 77 77
Italy 76 76 76 77 77
Australia 76 76 76 77 77
Spain 77 77 77 77 77
Canada 76 77 77 77 77
Netherlands 76 77 77 77 77
Sweden 77 77 77 78 78
Iceland 78 77 77 78 78
Hong Kong SAR, China 77 77 77 77 77
Switzerland 77 77 77 77 77
Japan 78 78 78 79 79
Curacao
Isle of Man
Monaco
Northern Mariana Islands
West Bank and Gaza 68
Serbia
American Samoa
Bermuda
Seychelles 70
St. Kitts and Nevis 66
Sint Maarten (Dutch part)
Cayman Islands
Dominica 72
San Marino
Palau 69
Liechtenstein
Turks and Caicos Islands
Andorra
Tuvalu
Marshall Islands 72

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