Country name 1980 1981 1982 1983
Cambodia 27 33 39 45
Timor-Leste 33 35 37 39
South Sudan 38 38 38 38
Mali 39 40 40 41
Angola 39 39 39 39
Niger 39 40 40 41
Guinea 40 41 42 42
Sierra Leone 40 41 41 41
Afghanistan 41 41 42 42
Mozambique 41 41 41 41
Equatorial Guinea 41 42 42 42
Eritrea 41 42 42 42
Ethiopia 42 42 42 42
Somalia 43 44 44 44
Malawi 43 44 44 44
Chad 44 44 44 44
Benin 44 45 45 46
Guinea-Bissau 44 44 45 45
Liberia 44 45 45 45
Nigeria 45 45 45 45
Congo, Dem. Rep. 45 45 45 45
Burkina Faso 45 46 47 47
Gambia, The 45 46 47 47
Bhutan 45 46 47 47
Burundi 46 46 46 46
Rwanda 46 47 48 48
Central African Republic 46 47 47 46
Nepal 47 48 49 49
Senegal 48 49 50 51
Lao PDR 48 48 48 49
Uganda 48 48 48 48
Madagascar 48 48 48 49
Cote d'Ivoire 49 49 50 50
Tanzania 49 49 49 49
Yemen, Rep. 49 50 51 52
Haiti 49 50 50 50
Zambia 49 49 49 48
Cameroon 50 50 50 51
Comoros 50 50 51 51
Bolivia 50 51 52 52
Iran, Islamic Rep. 50 48 47 47
Togo 51 51 52 52
El Salvador 51 51 51 51
Papua New Guinea 51 51 51 52
Ghana 51 51 52 52
Djibouti 52 53 53 53
Swaziland 52 53 54 54
Lesotho 52 53 54 54
Myanmar 53 53 53 54
Sudan 53 53 53 53
Mauritania 53 53 54 55
Gabon 53 54 55 56
Maldives 53 54 55 56
Kiribati 54 54 55 55
South Africa 54 54 55 55
Mongolia 55 55 55 55
Congo, Rep. 55 55 55 55
Guatemala 55 56 56 56
India 55 56 56 56
Turkey 55 56 57 57
Bangladesh 56 56 56 57
Nicaragua 56 56 56 57
Namibia 56 56 57 57
Kenya 56 56 57 57
Egypt, Arab Rep. 56 57 57 58
Morocco 56 57 58 58
Iraq 57 55 55 54
Samoa 57 57 58 58
Vanuatu 57 57 58 58
Indonesia 57 57 58 58
Algeria 57 58 59 61
Guyana 57 57 57 57
Turkmenistan 57 58 58 58
Honduras 58 58 59 60
Zimbabwe 58 58 59 59
Pakistan 58 58 58 58
Peru 58 59 59 60
Oman 58 59 60 61
Solomon Islands 58 58 58 58
Botswana 59 59 60 60
Kyrgyz Republic 59 59 60 60
Sao Tome and Principe 59 59 59 59
Cabo Verde 59 60 60 61
Greenland 60 59 60 61
Tajikistan 60 60 60 60
Philippines 60 60 60 61
Brazil 60 60 60 61
Tunisia 61 62 62 63
Azerbaijan 61 61 61 61
Ecuador 61 62 62 63
Dominican Republic 61 62 62 62
Thailand 61 62 63 63
Saudi Arabia 61 62 63 64
Russian Federation 61 62 62 62
Fiji 61 62 62 62
Moldova 62 62 62 62
Kazakhstan 62 62 62 63
Korea, Rep. 62 62 63 63
Uzbekistan 62 62 63 63
Libya 62 63 64 64
French Polynesia 63 63 64 64
Korea, Dem. Rep. 63 63 63 64
Colombia 63 63 63 64
New Caledonia 63 63 65 65
Mauritius 63 64 64 64
Vietnam 63 64 64 64
Suriname 63 63 64 64
Mexico 63 64 64 65
Latvia 64 63 64 64
Estonia 64 64 64 64
Ukraine 64 64 64 64
Grenada 64 65 65 65
Trinidad and Tobago 64 64 65 65
Paraguay 65 65 65 65
Micronesia, Fed. Sts. 65 65 65 65
Jordan 65 65 66 66
Syrian Arab Republic 65 66 66 66
St. Vincent and the Grenadines 65 66 66 66
Venezuela, RB 65 66 66 66
St. Lucia 65 66 66 67
Bahamas, The 65 66 66 66
China 66 66 66 66
Hungary 66 66 66 65
Lithuania 66 65 66 66
Belarus 66 66 66 66
Georgia 66 66 66 66
Chile 66 66 67 68
Poland 66 67 67 67
Barbados 66 66 67 67
Antigua and Barbuda 66 66 67 67
Argentina 66 66 67 67
Lebanon 66 66 67 67
Sri Lanka 66 67 67 67
Tonga 66 67 67 67
Croatia 66 67 67 66
United Arab Emirates 66 67 67 68
Romania 67 67 67 67
Malaysia 67 67 67 67
Slovak Republic 67 67 67 67
Czech Republic 67 67 67 67
Macedonia, FYR 67 67 67 67
Uruguay 67 67 67 68
Guam 67 67 68 68
Slovenia 67 67 67 66
Armenia 68 68 68 67
Bosnia and Herzegovina 68 68 68 69
Belize 68 68 68 69
Portugal 68 68 69 69
Panama 68 68 68 69
Virgin Islands (U.S.) 68 69 69 69
Bahrain 68 69 69 70
Kuwait 68 69 69 69
Bulgaria 68 69 68 68
Albania 68 69 69 69
Luxembourg 69 69 69 69
Bermuda 69
Jamaica 69 69 69 69
Austria 69 69 69 70
Brunei Darussalam 69 69 70 70
Finland 69 70 70 70
Singapore 69 70 70 71
Germany 70 70 70 70
Montenegro 70 70 70 70
Aruba 70 70 70 71
Ireland 70 70 70 70
Belgium 70 70 71 71
United States 70 70 71 71
New Zealand 70 71 71 71
France 70 70 71 71
Macao SAR, China 70 71 71 71
Costa Rica 70 71 71 72
Puerto Rico 70 70 71 71
Malta 71 71 71 71
Greece 71 71 71 71
Italy 71 71 72 71
United Kingdom 71 71 71 72
Australia 71 71 72 72
Denmark 71 71 72 71
Canada 72 72 72 73
Hong Kong SAR, China 72 72 73 72
Qatar 72 72 73 73
Israel 72 73 73 73
Cuba 72 72 73 73
Switzerland 72 72 73 73
Spain 72 72 73 73
Norway 72 73 73 73
Netherlands 72 73 73 73
Cyprus 73 73 73 73
Sweden 73 73 73 74
Iceland 74 73 75 73
Japan 74 74 74 74
Dominica 70
Curacao
Isle of Man
West Bank and Gaza
Palau
San Marino
Liechtenstein
Faeroe Islands 73
Cayman Islands
American Samoa
Turks and Caicos Islands
Serbia
Tuvalu
St. Martin (French part) 70 70
Sint Maarten (Dutch part)
St. Kitts and Nevis 62
Northern Mariana Islands
Marshall Islands
Seychelles 66
Andorra
Kosovo 64 64 64
Monaco

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