Country name 1981 1982 1983 1984 1985
South Sudan 38 38 38 39 39
Angola 39 39 39 39 39
Timor-Leste 35 37 39 41 42
Mozambique 40 40 40 40 40
Sierra Leone 41 41 41 40 40
Niger 40 40 41 41 42
Mali 40 40 41 42 43
Cambodia 31 37 42 46 48
Eritrea 42 42 42 43 43
Guinea 41 42 42 43 44
Ethiopia 42 42 42 43 43
Afghanistan 42 42 43 44 45
Equatorial Guinea 43 43 44 44 45
Malawi 44 44 44 44 44
Somalia 44 44 44 44 45
Chad 44 44 44 45 45
Guinea-Bissau 44 45 45 45 45
Liberia 45 45 45 45 45
Nigeria 45 45 45 45 45
Benin 45 45 46 46 47
Congo, Dem. Rep. 45 45 46 46 46
Burundi 46 46 47 47 47
Uganda 47 47 47 46 46
Iran, Islamic Rep. 48 47 47 47 49
Burkina Faso 46 47 47 48 48
Bhutan 46 47 47 48 49
Central African Republic 47 47 47 47 48
Gambia, The 46 47 47 48 49
Nepal 47 47 48 49 50
Zambia 49 49 48 47 47
Rwanda 47 48 49 49 48
Madagascar 48 48 49 49 49
Lao PDR 48 48 49 49 50
Tanzania 49 49 49 49 49
Bolivia 49 50 50 50 51
Cote d'Ivoire 49 50 50 50 51
Haiti 50 50 51 51 51
Senegal 49 50 51 52 52
Cameroon 50 50 51 51 51
Comoros 50 50 51 52 52
Papua New Guinea 51 51 52 52 52
Yemen, Rep. 50 51 52 53 54
Togo 51 52 52 52 53
Ghana 51 52 52 53 53
El Salvador 51 52 52 53 54
Sudan 53 53 53 53 53
Djibouti 53 53 53 54 54
Myanmar 53 53 54 54 55
Lesotho 53 54 54 55 55
Swaziland 53 54 54 55 56
Iraq 55 55 54 55 56
Bangladesh 54 54 54 55 55
Mauritania 53 54 55 55 56
India 54 55 55 55 56
Congo, Rep. 55 55 55 55 55
Kiribati 55 55 55 55 56
Mongolia 55 55 55 56 56
South Africa 54 55 55 56 56
Gabon 54 55 56 57 58
Guatemala 56 56 56 57 57
Nicaragua 56 56 57 57 57
Maldives 55 56 57 58 58
Namibia 56 57 57 57 57
Turkey 56 57 57 58 58
Kenya 56 57 57 58 58
Pakistan 57 57 57 58 58
Solomon Islands 58 58 58 57 57
Egypt, Arab Rep. 57 57 58 59 60
Samoa 57 58 58 59 59
Turkmenistan 58 58 58 59 59
Morocco 57 58 58 59 60
Vanuatu 57 58 58 59 59
Sao Tome and Principe 59 59 59 59 59
Zimbabwe 58 59 59 60 60
Indonesia 59 59 60 60 60
Brazil 59 59 60 60 60
Guyana 60 60 60 60 60
Peru 59 59 60 60 61
Botswana 59 59 60 60 60
Honduras 58 59 60 61 61
Kyrgyz Republic 59 60 60 61 61
Tajikistan 60 60 60 61 61
Greenland 59 60 61 61 61
Algeria 58 59 61 62 63
Oman 59 60 61 61 62
Philippines 60 60 61 61 61
Cabo Verde 60 60 61 61 62
Azerbaijan 61 61 61 62 62
Moldova 62 62 62 63 63
Fiji 62 62 62 62 63
Russian Federation 62 62 62 62 63
Dominican Republic 62 62 62 63 63
Ecuador 62 62 63 63 64
Uzbekistan 62 63 63 63 64
Tunisia 62 62 63 64 64
Kazakhstan 62 62 63 64 64
Korea, Rep. 62 63 63 64 64
Thailand 62 63 63 64 65
Suriname 63 64 64 64 64
Saudi Arabia 62 63 64 64 65
Colombia 63 63 64 64 64
Korea, Dem. People’s Rep. 63 63 64 64 64
Latvia 63 64 64 64 65
Vietnam 64 64 64 64 65
French Polynesia 63 64 64 65 65
Libya 63 64 64 65 65
Mauritius 64 64 64 65 65
Estonia 64 64 64 64 65
Ukraine 64 64 64 65 65
Trinidad and Tobago 64 65 65 65 65
Mexico 64 64 65 65 66
Micronesia, Fed. Sts. 65 65 65 65 65
Paraguay 65 65 65 65 65
Grenada 65 65 65 65 65
Hungary 66 66 65 65 65
Belarus 66 66 66 66 67
Georgia 66 66 66 66 66
Lithuania 65 66 66 65 66
Venezuela, RB 66 66 66 66 66
Bahamas, The 66 66 66 66 66
New Caledonia 63 64 66 65 65
China 65 66 66 66 67
Jordan 65 66 66 67 67
Chile 65 66 66 67 67
Slovenia 67 67 66 67 67
St. Vincent and the Grenadines 66 66 66 67 67
Croatia 67 67 66 66 67
Syrian Arab Republic 66 66 67 67 67
Sri Lanka 67 67 67 66 66
Slovak Republic 67 67 67 67 67
St. Lucia 66 66 67 67 67
Lebanon 66 67 67 67 67
Argentina 66 67 67 67 67
Antigua and Barbuda 66 67 67 67 67
Tonga 67 67 67 67 67
Romania 67 67 67 67 67
Poland 67 67 67 67 67
Czech Republic 67 67 67 67 68
Barbados 67 67 67 67 68
Malaysia 67 67 67 68 68
Macedonia, FYR 67 67 67 68 68
Armenia 68 68 67 67 67
Uruguay 67 67 68 68 68
United Arab Emirates 67 67 68 68 69
Guam 67 68 68 68 69
Bosnia and Herzegovina 68 68 68 69 69
Bulgaria 69 68 68 68 68
Albania 69 69 69 69 69
Panama 68 68 69 69 69
Belize 68 68 69 69 69
Portugal 68 69 69 69 69
Virgin Islands (U.S.) 69 69 69 69 70
Luxembourg 69 69 69 70 70
Austria 69 69 70 70 70
St. Martin (French part) 70 70 70 69
Bahrain 69 69 70 70 70
Kuwait 69 69 70 70 70
Brunei Darussalam 69 69 70 70 70
Finland 70 70 70 70 70
Germany 70 70 70 71 71
Jamaica 70 70 70 70 70
Montenegro 70 70 70 71 71
Ireland 70 70 70 71 71
Singapore 70 70 71 71 72
Aruba 70 70 71 71 71
Puerto Rico 70 71 71 71 71
Belgium 70 71 71 71 71
New Zealand 71 71 71 71 71
France 70 71 71 71 71
United States 70 71 71 71 71
Costa Rica 70 71 71 71 72
Macao SAR, China 71 71 71 71 72
Malta 71 71 71 72 72
Greece 71 71 71 72 72
Denmark 71 72 71 72 72
Italy 71 72 71 72 72
United Kingdom 71 71 72 72 72
Australia 71 72 72 72 72
Hong Kong SAR, China 72 73 72 73 74
Qatar 72 72 73 73 73
Cuba 72 73 73 73 73
Switzerland 72 73 73 73 73
Canada 72 72 73 73 73
Norway 73 73 73 73 73
Israel 73 73 73 73 74
Spain 72 73 73 73 73
Netherlands 73 73 73 73 73
Iceland 73 75 73 75 75
Cyprus 73 73 73 74 74
Sweden 73 73 74 74 74
Japan 74 74 74 75 75
Monaco
Andorra
Sint Maarten (Dutch part)
Isle of Man
Cayman Islands
San Marino
Seychelles 66
Turks and Caicos Islands
Northern Mariana Islands
Tuvalu
St. Kitts and Nevis 62
Bermuda
Curacao
Serbia
Marshall Islands
Liechtenstein
Dominica 70
West Bank and Gaza
Palau
American Samoa
Faroe Islands

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