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

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