Country name 1984 1985 1986 1987 1988
South Sudan 39 39 40 40 41
Angola 39 39 39 39 39
Sierra Leone 40 40 40 39 38
Timor-Leste 41 42 44 44 45
Niger 41 42 42 42 43
Mozambique 41 41 41 42 42
Mali 42 43 44 45 45
Eritrea 43 43 44 44 45
Ethiopia 43 43 44 44 45
Equatorial Guinea 43 43 44 44 44
Afghanistan 43 44 44 45 46
Guinea 43 44 45 46 47
Somalia 44 45 45 45 44
Chad 45 45 45 45 45
Malawi 45 45 45 45 46
Guinea-Bissau 45 45 46 46 46
Nigeria 45 45 45 45 45
Liberia 45 45 45 45 45
Congo, Dem. Rep. 45 46 46 46 46
Benin 46 47 48 49 49
Central African Republic 46 46 46 45 45
Burundi 47 47 47 47 47
Iran, Islamic Rep. 47 49 51 54 56
Zambia 47 47 46 45 44
Uganda 48 48 47 47 47
Burkina Faso 48 48 48 48 48
Bhutan 48 49 50 50 51
Gambia, The 48 49 49 50 50
Cambodia 48 50 51 52 52
Rwanda 48 48 46 43 40
Madagascar 49 49 49 49 49
Lao PDR 49 50 50 51 52
Tanzania 49 50 50 50 49
Nepal 50 51 52 52 53
Cote d'Ivoire 50 51 51 51 51
Haiti 51 51 52 52 52
Cameroon 51 51 52 52 52
Senegal 52 52 53 54 55
Comoros 52 52 52 53 53
Papua New Guinea 52 52 52 52 53
El Salvador 52 53 55 56 58
Togo 52 53 53 54 54
Ghana 53 53 54 54 55
Yemen, Rep. 53 54 54 55 55
Bolivia 53 54 55 55 56
Sudan 53 53 53 54 54
Djibouti 54 54 54 55 55
Myanmar 54 55 55 55 56
Lesotho 55 55 56 56 57
Iraq 55 56 58 59 61
Swaziland 55 56 56 57 57
Mauritania 55 56 56 56 57
Congo, Rep. 55 55 55 55 54
Kiribati 56 56 57 57 57
Mongolia 56 56 57 57 57
South Africa 56 56 57 57 58
Gabon 57 57 58 59 59
India 57 57 57 58 58
Guatemala 57 57 58 58 59
Nicaragua 57 57 58 59 60
Maldives 57 58 59 59 60
Namibia 57 57 58 58 58
Solomon Islands 57 57 56 56 56
Bangladesh 57 58 58 59 59
Kenya 58 58 58 58 58
Guyana 58 58 58 58 58
Turkey 58 58 59 59 60
Turkmenistan 59 59 59 59 59
Samoa 59 59 60 60 61
Pakistan 59 59 59 60 60
Egypt, Arab Rep. 59 60 60 61 61
Indonesia 59 59 60 60 61
Vanuatu 59 59 60 60 61
Sao Tome and Principe 59 59 59 59 60
Morocco 59 60 61 61 62
Zimbabwe 59 59 59 59 59
Peru 60 61 61 62 62
Kyrgyz Republic 61 61 61 62 62
Greenland 61 61 61 61 61
Botswana 61 61 61 61 61
Tajikistan 61 61 61 61 61
Honduras 61 61 62 63 63
Brazil 61 61 61 62 62
Philippines 61 61 62 62 62
Oman 61 62 63 64 64
Cabo Verde 61 62 62 62 63
Azerbaijan 62 62 62 62 61
Algeria 62 63 63 64 65
Russian Federation 62 63 65 65 65
Fiji 62 63 63 63 63
Moldova 63 63 63 64 64
Dominican Republic 63 63 64 64 65
Uzbekistan 63 64 64 64 64
Ecuador 63 64 64 65 66
Tunisia 64 64 65 65 66
Suriname 64 64 64 64 64
Korea, Rep. 64 64 65 66 66
Colombia 64 64 64 64 64
Kazakhstan 64 64 64 65 65
Korea, Dem. Rep. 64 64 65 65 66
Latvia 64 65 66 66 66
Thailand 64 65 66 66 67
Vietnam 64 65 65 65 66
Saudi Arabia 64 65 66 66 67
Estonia 64 65 66 66 67
Kosovo 65 65 65 65 65
French Polynesia 65 65 65 66 66
Mauritius 65 65 65 65 65
Libya 65 65 65 66 66
Trinidad and Tobago 65 65 65 65 65
Ukraine 65 65 65 66 66
Micronesia, Fed. Sts. 65 65 65 65 65
Paraguay 65 65 65 65 65
Hungary 65 65 65 66 66
Mexico 65 66 66 67 67
Grenada 65 65 66 66 66
New Caledonia 65 65 66 67 67
Lithuania 65 66 68 68 67
Belarus 66 67 67 67 67
Georgia 66 66 66 66 66
Bahamas, The 66 66 67 67 67
Croatia 66 67 68 68 68
Venezuela, RB 66 67 67 67 68
Sri Lanka 66 66 66 66 66
St. Vincent and the Grenadines 67 67 67 67 67
Jordan 67 67 67 68 68
China 67 67 67 67 68
Slovak Republic 67 67 67 67 67
Poland 67 67 67 67 67
Romania 67 67 67 66 67
Syrian Arab Republic 67 67 68 68 69
Slovenia 67 67 68 68 68
Lebanon 67 67 67 68 68
St. Lucia 67 67 68 68 68
Argentina 67 67 67 68 68
Barbados 67 67 68 68 68
Antigua and Barbuda 67 67 68 68 68
Tonga 67 67 68 68 68
Armenia 67 67 66 66 66
Czech Republic 67 68 67 68 68
Malaysia 68 68 68 68 69
Macedonia, FYR 68 68 68 69 69
Uruguay 68 68 68 68 69
Chile 68 69 69 69 70
Guam 68 69 69 69 69
United Arab Emirates 68 69 69 69 70
Bulgaria 68 68 69 68 68
Albania 69 69 69 69 69
Panama 69 69 69 70 70
Belize 69 69 69 69 69
Portugal 69 69 70 70 70
Jamaica 69 69 69 69 69
Bosnia and Herzegovina 69 69 69 68 66
Virgin Islands (U.S.) 69 70 70 70 70
St. Martin (French part) 70 69 70 71 71
Luxembourg 70 70 70 71 71
Kuwait 70 70 70 71 71
Bahrain 70 70 70 71 71
Austria 70 70 71 71 72
Brunei Darussalam 70 71 71 71 71
Finland 70 70 71 71 71
Puerto Rico 71 71 71 70 70
Germany 71 71 71 71 72
Montenegro 71 71 71 71 71
Ireland 71 71 71 71 72
Aruba 71 71 71 71 71
Belgium 71 71 71 72 72
France 71 71 72 72 72
United States 71 71 71 71 71
Singapore 71 72 72 73 73
New Zealand 71 71 71 71 71
Macao SAR, China 71 72 72 72 73
Malta 72 72 72 72 72
Greece 72 72 72 72 73
Denmark 72 72 72 72 72
United Kingdom 72 72 72 73 73
Costa Rica 72 72 73 73 73
Australia 72 72 73 73 73
Italy 72 72 73 73 73
Cuba 73 73 73 73 73
Netherlands 73 73 73 74 74
Faeroe Islands 73 73 72 72 73
Norway 73 73 73 73 73
Canada 73 73 73 74 74
Israel 73 74 73 74 74
Spain 73 73 73 73 73
Hong Kong SAR, China 73 74 74 74 74
Qatar 73 74 74 74 74
Switzerland 73 73 74 74 74
Cyprus 74 74 74 74 74
Sweden 74 74 74 74 74
Japan 75 75 75 76 76
Iceland 75 75 75 75 74
Marshall Islands 70
Liechtenstein
Isle of Man
American Samoa
Bermuda
Dominica 71
Turks and Caicos Islands
West Bank and Gaza
Tuvalu
San Marino
Serbia
Palau
Seychelles 67
Northern Mariana Islands
Sint Maarten (Dutch part)
St. Kitts and Nevis 64
Cayman Islands
Andorra
Curacao
Monaco

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