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

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