Country name 1980 1981 1982 1983 1984
Cambodia 27 33 39 45 48
Timor-Leste 33 35 37 39 41
South Sudan 38 38 38 38 39
Mali 39 40 40 41 42
Angola 39 39 39 39 39
Niger 39 40 40 41 41
Guinea 40 41 42 42 43
Sierra Leone 40 41 41 41 40
Afghanistan 41 41 42 42 43
Mozambique 41 41 41 41 41
Equatorial Guinea 41 42 42 42 43
Eritrea 41 42 42 42 43
Ethiopia 42 42 42 42 43
Somalia 43 44 44 44 44
Malawi 43 44 44 44 45
Chad 44 44 44 44 45
Benin 44 45 45 46 46
Guinea-Bissau 44 44 45 45 45
Liberia 44 45 45 45 45
Nigeria 45 45 45 45 45
Congo, Dem. Rep. 45 45 45 45 45
Burkina Faso 45 46 47 47 48
Gambia, The 45 46 47 47 48
Bhutan 45 46 47 47 48
Burundi 46 46 46 46 47
Rwanda 46 47 48 48 48
Central African Republic 46 47 47 46 46
Nepal 47 48 49 49 50
Senegal 48 49 50 51 52
Lao PDR 48 48 48 49 49
Uganda 48 48 48 48 48
Madagascar 48 48 48 49 49
Cote d'Ivoire 49 49 50 50 50
Tanzania 49 49 49 49 49
Yemen, Rep. 49 50 51 52 53
Haiti 49 50 50 50 51
Zambia 49 49 49 48 47
Cameroon 50 50 50 51 51
Comoros 50 50 51 51 52
Bolivia 50 51 52 52 53
Iran, Islamic Rep. 50 48 47 47 47
Togo 51 51 52 52 52
El Salvador 51 51 51 51 52
Papua New Guinea 51 51 51 52 52
Ghana 51 51 52 52 53
Djibouti 52 53 53 53 54
Swaziland 52 53 54 54 55
Lesotho 52 53 54 54 55
Myanmar 53 53 53 54 54
Sudan 53 53 53 53 53
Mauritania 53 53 54 55 55
Gabon 53 54 55 56 57
Maldives 53 54 55 56 57
Kiribati 54 54 55 55 56
South Africa 54 54 55 55 56
Mongolia 55 55 55 55 56
Congo, Rep. 55 55 55 55 55
Guatemala 55 56 56 56 57
India 55 56 56 56 57
Turkey 55 56 57 57 58
Bangladesh 56 56 56 57 57
Nicaragua 56 56 56 57 57
Namibia 56 56 57 57 57
Kenya 56 56 57 57 58
Egypt, Arab Rep. 56 57 57 58 59
Morocco 56 57 58 58 59
Iraq 57 55 55 54 55
Samoa 57 57 58 58 59
Vanuatu 57 57 58 58 59
Indonesia 57 57 58 58 59
Algeria 57 58 59 61 62
Guyana 57 57 57 57 58
Turkmenistan 57 58 58 58 59
Honduras 58 58 59 60 61
Zimbabwe 58 58 59 59 59
Pakistan 58 58 58 58 59
Peru 58 59 59 60 60
Oman 58 59 60 61 61
Solomon Islands 58 58 58 58 57
Botswana 59 59 60 60 61
Kyrgyz Republic 59 59 60 60 61
Sao Tome and Principe 59 59 59 59 59
Cabo Verde 59 60 60 61 61
Greenland 60 59 60 61 61
Tajikistan 60 60 60 60 61
Philippines 60 60 60 61 61
Brazil 60 60 60 61 61
Tunisia 61 62 62 63 64
Azerbaijan 61 61 61 61 62
Ecuador 61 62 62 63 63
Dominican Republic 61 62 62 62 63
Thailand 61 62 63 63 64
Saudi Arabia 61 62 63 64 64
Russian Federation 61 62 62 62 62
Fiji 61 62 62 62 62
Moldova 62 62 62 62 63
Kazakhstan 62 62 62 63 64
Korea, Rep. 62 62 63 63 64
Uzbekistan 62 62 63 63 63
Libya 62 63 64 64 65
French Polynesia 63 63 64 64 65
Korea, Dem. Rep. 63 63 63 64 64
Colombia 63 63 63 64 64
New Caledonia 63 63 65 65 65
Mauritius 63 64 64 64 65
Vietnam 63 64 64 64 64
Suriname 63 63 64 64 64
Mexico 63 64 64 65 65
Latvia 64 63 64 64 64
Estonia 64 64 64 64 64
Ukraine 64 64 64 64 65
Grenada 64 65 65 65 65
Trinidad and Tobago 64 64 65 65 65
Paraguay 65 65 65 65 65
Micronesia, Fed. Sts. 65 65 65 65 65
Jordan 65 65 66 66 67
Syrian Arab Republic 65 66 66 66 67
St. Vincent and the Grenadines 65 66 66 66 67
Venezuela, RB 65 66 66 66 66
St. Lucia 65 66 66 67 67
Bahamas, The 65 66 66 66 66
China 66 66 66 66 67
Hungary 66 66 66 65 65
Lithuania 66 65 66 66 65
Belarus 66 66 66 66 66
Georgia 66 66 66 66 66
Chile 66 66 67 68 68
Poland 66 67 67 67 67
Barbados 66 66 67 67 67
Antigua and Barbuda 66 66 67 67 67
Argentina 66 66 67 67 67
Lebanon 66 66 67 67 67
Sri Lanka 66 67 67 67 66
Tonga 66 67 67 67 67
Croatia 66 67 67 66 66
United Arab Emirates 66 67 67 68 68
Romania 67 67 67 67 67
Malaysia 67 67 67 67 68
Slovak Republic 67 67 67 67 67
Czech Republic 67 67 67 67 67
Macedonia, FYR 67 67 67 67 68
Uruguay 67 67 67 68 68
Guam 67 67 68 68 68
Slovenia 67 67 67 66 67
Armenia 68 68 68 67 67
Bosnia and Herzegovina 68 68 68 69 69
Belize 68 68 68 69 69
Portugal 68 68 69 69 69
Panama 68 68 68 69 69
Virgin Islands (U.S.) 68 69 69 69 69
Bahrain 68 69 69 70 70
Kuwait 68 69 69 69 70
Bulgaria 68 69 68 68 68
Albania 68 69 69 69 69
Luxembourg 69 69 69 69 70
Bermuda 69
Jamaica 69 69 69 69 69
Austria 69 69 69 70 70
Brunei Darussalam 69 69 70 70 70
Finland 69 70 70 70 70
Singapore 69 70 70 71 71
Germany 70 70 70 70 71
Montenegro 70 70 70 70 71
Aruba 70 70 70 71 71
Ireland 70 70 70 70 71
Belgium 70 70 71 71 71
United States 70 70 71 71 71
New Zealand 70 71 71 71 71
France 70 70 71 71 71
Macao SAR, China 70 71 71 71 71
Costa Rica 70 71 71 72 72
Puerto Rico 70 70 71 71 71
Malta 71 71 71 71 72
Greece 71 71 71 71 72
Italy 71 71 72 71 72
United Kingdom 71 71 71 72 72
Australia 71 71 72 72 72
Denmark 71 71 72 71 72
Canada 72 72 72 73 73
Hong Kong SAR, China 72 72 73 72 73
Qatar 72 72 73 73 73
Israel 72 73 73 73 73
Cuba 72 72 73 73 73
Switzerland 72 72 73 73 73
Spain 72 72 73 73 73
Norway 72 73 73 73 73
Netherlands 72 73 73 73 73
Cyprus 73 73 73 73 74
Sweden 73 73 73 74 74
Iceland 74 73 75 73 75
Japan 74 74 74 74 75
Dominica 70
Curacao
Isle of Man
West Bank and Gaza
Palau
San Marino
Liechtenstein
Faeroe Islands 73 73
Cayman Islands
American Samoa
Turks and Caicos Islands
Serbia
Tuvalu
St. Martin (French part) 70 70 70
Sint Maarten (Dutch part)
St. Kitts and Nevis 62
Northern Mariana Islands
Marshall Islands
Seychelles 66
Andorra
Kosovo 64 64 64 65
Monaco

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