Country name 1980 1981 1982 1983
Cambodia 33 39 45 50
Timor-Leste 35 37 39 41
Niger 40 40 41 41
South Sudan 40 41 41 41
Mali 41 41 42 43
Sierra Leone 41 41 41 41
Angola 42 42 42 42
Afghanistan 42 43 43 44
Guinea 42 43 44 45
Mozambique 44 45 45 45
Equatorial Guinea 45 45 45 46
Bhutan 45 46 46 47
Ethiopia 45 45 45 45
Malawi 45 46 46 47
Eritrea 45 46 46 46
Chad 46 46 46 47
Somalia 46 47 47 47
Nigeria 47 47 47 47
Burkina Faso 47 48 49 50
Congo, Dem. Rep. 48 48 48 48
Gambia, The 48 48 49 50
Guinea-Bissau 48 48 48 49
Nepal 48 49 49 50
Liberia 48 48 49 49
Burundi 49 49 50 50
Rwanda 50 50 51 51
Madagascar 50 50 51 51
Senegal 50 51 52 53
Lao PDR 50 51 51 51
Benin 51 51 51 52
Maldives 51 52 53 54
Uganda 51 51 51 51
Central African Republic 51 51 51 51
Yemen, Rep. 52 53 54 55
Tanzania 52 52 53 53
Haiti 52 53 53 53
Cote d'Ivoire 53 53 54 54
Cameroon 53 53 54 54
Zambia 53 53 52 51
Ghana 54 54 54 54
Comoros 54 54 55 55
Bolivia 54 55 56 56
Togo 54 55 55 56
Bangladesh 54 55 55 56
Lesotho 55 56 56 57
Papua New Guinea 55 56 57 57
Djibouti 55 56 56 56
India 55 56 56 57
Mauritania 56 56 57 57
Sudan 56 56 56 56
Swaziland 56 57 58 58
Gabon 56 57 58 59
Myanmar 57 58 58 59
Congo, Rep. 58 58 58 58
Kiribati 58 59 59 60
Pakistan 58 59 59 60
Morocco 59 60 61 61
Guatemala 59 60 60 61
Iran, Islamic Rep. 59 60 61 62
Mongolia 59 59 60 60
Algeria 59 61 62 63
Namibia 60 60 61 61
Solomon Islands 60 60 59 59
Kenya 60 60 61 61
South Africa 60 61 62 62
Vanuatu 60 61 61 62
Indonesia 60 61 62 62
Egypt, Arab Rep. 61 61 62 63
Cabo Verde 61 62 63 64
Zimbabwe 61 62 62 63
Nicaragua 61 62 62 63
Oman 61 62 63 64
Honduras 62 63 63 64
Sao Tome and Principe 62 62 62 63
Peru 62 63 63 64
Turkey 62 63 64 64
Botswana 63 63 64 64
El Salvador 63 64 64 65
Tunisia 63 64 65 66
Samoa 63 64 64 65
Iraq 64 65 66 67
Guyana 64 65 65 65
Turkmenistan 65 65 65 65
Philippines 65 65 65 66
Fiji 65 65 65 66
Tajikistan 65 65 65 65
Ecuador 65 66 66 67
Saudi Arabia 65 66 66 67
Dominican Republic 65 65 66 66
Brazil 66 66 67 67
Micronesia, Fed. Sts. 66 66 66 66
Libya 66 67 67 68
Syrian Arab Republic 67 67 68 68
French Polynesia 67 68 69 69
Kyrgyz Republic 67 68 68 68
Greenland 67 67 66 66
Thailand 67 68 69 69
Jordan 68 68 69 69
Moldova 68 68 68 69
Colombia 68 69 70 70
Azerbaijan 69 69 69 69
Grenada 69 69 69 69
China 69 69 69 69
Suriname 69 69 70 70
Tonga 69 69 69 70
Uzbekistan 69 69 69 70
Korea, Dem. Rep. 69 69 70 70
Paraguay 69 69 69 69
United Arab Emirates 70 70 70 71
Malaysia 70 70 70 71
St. Vincent and the Grenadines 70 70 70 71
Lebanon 70 70 70 70
Trinidad and Tobago 70 70 70 70
Mexico 70 70 71 71
Korea, Rep. 70 71 71 71
Sri Lanka 70 71 71 72
New Caledonia 70 71 72 72
Macedonia, FYR 70 71 71 71
Barbados 71 71 71 71
Kuwait 71 71 72 72
Mauritius 71 71 72 72
Antigua and Barbuda 71 72 72 72
Venezuela, RB 71 72 72 72
Bahrain 71 72 72 72
Belize 71 72 72 73
Bahamas, The 72 72 72 72
Guam 72 72 72 73
Romania 72 72 72 73
Kazakhstan 72 72 72 72
Vietnam 72 72 73 73
Albania 72 72 73 73
Jamaica 72 73 73 73
St. Lucia 72 73 73 73
Chile 73 73 74 74
Brunei Darussalam 73 73 73 74
Panama 73 73 74 74
Hungary 73 73 73 73
Russian Federation 73 73 74 73
Bosnia and Herzegovina 73 73 73 74
Argentina 73 73 74 74
Georgia 73 73 73 73
Qatar 74 74 74 75
Ukraine 74 74 74 74
Uruguay 74 74 74 75
Armenia 74 74 74 73
Czech Republic 74 74 74 74
Bulgaria 74 74 74 74
Latvia 74 74 75 75
Croatia 74 74 74 74
Estonia 74 74 74 75
Belarus 74 74 74 75
Slovak Republic 74 75 75 75
Poland 74 75 75 75
Macao SAR, China 75 75 75 76
Virgin Islands (U.S.) 75 75 75 76
Portugal 75 75 76 76
Costa Rica 75 75 76 76
Aruba 75 75 75 75
Singapore 75 75 76 76
Slovenia 75 75 75 75
Malta 75 76 76 76
Ireland 75 76 76 76
Cuba 76 76 76 76
Lithuania 76 76 76 76
Israel 76 76 76 76
Luxembourg 76 76 76 77
New Zealand 76 77 77 77
Germany 76 76 77 77
Austria 76 76 77 77
Bermuda 76
Montenegro 76 76 76 77
Belgium 77 77 77 77
Greece 77 77 78 78
United Kingdom 77 77 77 77
Cyprus 77 77 77 77
Puerto Rico 77 77 77 78
Denmark 77 77 78 78
Italy 77 78 78 78
United States 78 78 78 78
Finland 78 78 79 78
Hong Kong SAR, China 78 79 78 78
Australia 78 78 78 79
France 78 79 79 79
Spain 79 79 79 79
Canada 79 79 79 80
Japan 79 79 80 80
Switzerland 79 79 79 80
Sweden 79 79 79 80
Norway 79 79 80 80
Netherlands 79 79 79 80
Iceland 80 80 80 81
Northern Mariana Islands
American Samoa
Monaco
San Marino
Dominica 73
Faeroe Islands 80
Curacao
Isle of Man
St. Martin (French part) 77 76
Marshall Islands
West Bank and Gaza
Sint Maarten (Dutch part)
Seychelles 72
St. Kitts and Nevis 66
Tuvalu
Serbia
Cayman Islands
Kosovo 68 68 69
Turks and Caicos Islands
Andorra
Palau
Liechtenstein

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