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

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