Country name 1980 1981 1982 1983 1984
Cambodia 33 39 45 50 53
Timor-Leste 35 37 39 41 43
Niger 40 40 41 41 41
South Sudan 40 41 41 41 41
Mali 41 41 42 43 43
Sierra Leone 41 41 41 41 41
Angola 42 42 42 42 42
Afghanistan 42 43 43 44 45
Guinea 42 43 44 45 46
Mozambique 44 45 45 45 44
Equatorial Guinea 45 45 45 46 46
Bhutan 45 46 46 47 48
Ethiopia 45 45 45 45 46
Malawi 45 46 46 47 47
Eritrea 45 46 46 46 47
Chad 46 46 46 47 47
Somalia 46 47 47 47 48
Nigeria 47 47 47 47 47
Burkina Faso 47 48 49 50 50
Congo, Dem. Rep. 48 48 48 48 48
Gambia, The 48 48 49 50 51
Guinea-Bissau 48 48 48 49 49
Nepal 48 49 49 50 51
Liberia 48 48 49 49 49
Burundi 49 49 50 50 50
Rwanda 50 50 51 51 52
Madagascar 50 50 51 51 51
Senegal 50 51 52 53 54
Lao PDR 50 51 51 51 52
Benin 51 51 51 52 52
Maldives 51 52 53 54 55
Uganda 51 51 51 51 51
Central African Republic 51 51 51 51 51
Yemen, Rep. 52 53 54 55 56
Tanzania 52 52 53 53 53
Haiti 52 53 53 53 54
Cote d'Ivoire 53 53 54 54 54
Cameroon 53 53 54 54 54
Zambia 53 53 52 51 51
Ghana 54 54 54 54 55
Comoros 54 54 55 55 56
Bolivia 54 55 56 56 57
Togo 54 55 55 56 56
Bangladesh 54 55 55 56 56
Lesotho 55 56 56 57 57
Papua New Guinea 55 56 57 57 58
Djibouti 55 56 56 56 57
India 55 56 56 57 57
Mauritania 56 56 57 57 58
Sudan 56 56 56 56 56
Swaziland 56 57 58 58 59
Gabon 56 57 58 59 60
Myanmar 57 58 58 59 59
Congo, Rep. 58 58 58 58 58
Kiribati 58 59 59 60 60
Pakistan 58 59 59 60 60
Morocco 59 60 61 61 62
Guatemala 59 60 60 61 61
Iran, Islamic Rep. 59 60 61 62 62
Mongolia 59 59 60 60 60
Algeria 59 61 62 63 65
Namibia 60 60 61 61 62
Solomon Islands 60 60 59 59 58
Kenya 60 60 61 61 61
South Africa 60 61 62 62 63
Vanuatu 60 61 61 62 62
Indonesia 60 61 62 62 63
Egypt, Arab Rep. 61 61 62 63 63
Cabo Verde 61 62 63 64 65
Zimbabwe 61 62 62 63 63
Nicaragua 61 62 62 63 63
Oman 61 62 63 64 65
Honduras 62 63 63 64 65
Sao Tome and Principe 62 62 62 63 63
Peru 62 63 63 64 65
Turkey 62 63 64 64 65
Botswana 63 63 64 64 65
El Salvador 63 64 64 65 66
Tunisia 63 64 65 66 67
Samoa 63 64 64 65 65
Iraq 64 65 66 67 68
Guyana 64 65 65 65 65
Turkmenistan 65 65 65 65 66
Philippines 65 65 65 66 66
Fiji 65 65 65 66 66
Tajikistan 65 65 65 65 66
Ecuador 65 66 66 67 68
Saudi Arabia 65 66 66 67 68
Dominican Republic 65 65 66 66 67
Brazil 66 66 67 67 68
Micronesia, Fed. Sts. 66 66 66 66 66
Libya 66 67 67 68 68
Syrian Arab Republic 67 67 68 68 69
French Polynesia 67 68 69 69 70
Kyrgyz Republic 67 68 68 68 69
Greenland 67 67 66 66 67
Thailand 67 68 69 69 70
Jordan 68 68 69 69 69
Moldova 68 68 68 69 69
Colombia 68 69 70 70 71
Azerbaijan 69 69 69 69 69
Grenada 69 69 69 69 70
China 69 69 69 69 70
Suriname 69 69 70 70 70
Tonga 69 69 69 70 70
Uzbekistan 69 69 69 70 70
Korea, Dem. Rep. 69 69 70 70 70
Paraguay 69 69 69 69 69
United Arab Emirates 70 70 70 71 71
Malaysia 70 70 70 71 71
St. Vincent and the Grenadines 70 70 70 71 71
Lebanon 70 70 70 70 70
Trinidad and Tobago 70 70 70 70 70
Mexico 70 70 71 71 72
Korea, Rep. 70 71 71 71 72
Sri Lanka 70 71 71 72 72
New Caledonia 70 71 70 71 72
Macedonia, FYR 70 71 71 71 71
Barbados 71 71 71 71 72
Kuwait 71 71 72 72 72
Mauritius 71 71 72 72 72
Antigua and Barbuda 71 72 72 72 72
Venezuela, RB 71 72 72 72 72
Bahrain 71 72 72 72 73
Belize 71 72 72 73 73
Bahamas, The 72 72 72 72 73
Guam 72 72 72 73 73
Romania 72 72 72 73 73
Kazakhstan 72 72 72 72 73
Vietnam 72 72 73 73 73
Albania 72 72 73 73 74
Jamaica 72 73 73 73 73
St. Lucia 72 73 73 73 74
Chile 73 73 74 74 75
Brunei Darussalam 73 73 73 74 74
Panama 73 73 74 74 74
Hungary 73 73 73 73 73
Russian Federation 73 73 74 73 73
Bosnia and Herzegovina 73 73 73 74 74
Argentina 73 73 74 74 74
Georgia 73 73 73 73 74
Qatar 74 74 74 75 75
Ukraine 74 74 74 74 74
Uruguay 74 74 74 75 75
Armenia 74 74 74 73 73
Czech Republic 74 74 74 74 75
Bulgaria 74 74 74 74 75
Latvia 74 74 75 75 75
Croatia 74 74 74 74 74
Estonia 74 74 74 75 74
Belarus 74 74 74 75 75
Slovak Republic 74 75 75 75 75
Poland 74 75 75 75 75
Singapore 75 75 75 76 76
Macao SAR, China 75 75 75 76 76
Virgin Islands (U.S.) 75 75 75 76 76
Portugal 75 75 76 76 76
Costa Rica 75 75 76 76 77
Aruba 75 75 75 75 75
Slovenia 75 75 75 75 75
Malta 75 76 76 76 76
Ireland 75 76 76 76 76
Cuba 76 76 76 76 76
Lithuania 76 76 76 76 76
Israel 76 76 76 76 77
Luxembourg 76 76 76 77 77
New Zealand 76 77 77 77 78
Germany 76 76 77 77 77
Austria 76 77 77 77 77
Bermuda 76
Montenegro 76 76 76 77 77
Belgium 77 77 77 77 78
Greece 77 77 78 78 78
United Kingdom 77 77 77 77 78
Cyprus 77 77 77 77 78
Puerto Rico 77 77 77 78 78
Denmark 77 77 78 78 78
Italy 77 78 78 78 79
United States 78 78 78 78 78
Finland 78 78 79 78 79
Hong Kong SAR, China 78 79 78 78 79
Australia 78 78 78 79 79
France 78 79 79 79 79
Spain 79 79 79 79 80
Canada 79 79 79 80 80
Japan 79 79 80 80 80
Switzerland 79 79 79 80 80
Sweden 79 79 79 80 80
Norway 79 79 80 80 80
Netherlands 79 79 79 80 80
Iceland 80 80 80 81 80
Northern Mariana Islands
American Samoa
Monaco
San Marino
Dominica 73
Faeroe Islands
Curacao
Isle of Man
St. Martin (French part) 77 76 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 69
Turks and Caicos Islands
Andorra
Palau
Liechtenstein

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