Country name 1981 1982 1983 1984 1985
Niger 40 41 41 41 42
Sierra Leone 41 41 41 41 41
Timor-Leste 37 39 41 43 45
South Sudan 41 41 41 41 42
Angola 42 42 42 42 43
Mali 41 42 43 43 44
Mozambique 43 43 43 43 43
Guinea 43 44 45 46 47
Afghanistan 43 44 45 46 46
Ethiopia 45 45 45 46 46
Eritrea 46 46 46 47 47
Malawi 46 46 46 46 46
Cambodia 36 42 46 50 53
Chad 46 46 47 47 47
Bhutan 46 46 47 48 48
Equatorial Guinea 46 47 47 48 48
Somalia 47 47 47 48 48
Nigeria 47 47 47 47 47
Congo, Dem. Rep. 48 48 49 49 49
Guinea-Bissau 48 48 49 49 49
Liberia 48 49 49 49 49
Nepal 48 48 49 50 51
Burkina Faso 48 49 50 50 50
Gambia, The 48 49 50 51 51
Burundi 49 50 50 50 51
Uganda 51 51 50 50 50
Madagascar 50 51 51 51 51
Lao PDR 51 51 51 52 52
Benin 51 51 52 52 53
Central African Republic 52 52 52 52 52
Zambia 53 53 52 52 51
Rwanda 51 51 52 53 53
Tanzania 52 52 53 53 53
Bolivia 52 52 53 54 54
Haiti 53 53 53 54 54
Senegal 51 52 53 54 55
Cameroon 53 54 54 54 54
Cote d'Ivoire 53 54 54 54 55
Comoros 53 54 54 55 55
Ghana 54 54 54 55 55
Maldives 53 54 55 56 56
Bangladesh 54 55 55 55 56
Yemen, Rep. 53 54 55 56 57
India 54 55 55 56 56
Togo 55 55 56 56 56
Sudan 56 56 56 56 56
Djibouti 56 56 56 57 57
Lesotho 56 56 57 57 58
Papua New Guinea 56 57 57 58 58
Mauritania 56 57 57 58 58
Congo, Rep. 58 58 58 58 58
Swaziland 57 58 58 59 59
Myanmar 58 58 59 59 59
Pakistan 58 58 59 59 59
Solomon Islands 60 59 59 58 58
Gabon 57 58 59 60 61
Kiribati 59 60 60 60 61
Mongolia 59 60 60 60 61
Guatemala 60 60 61 61 62
Kenya 60 61 61 61 62
Namibia 60 61 61 62 62
Morocco 60 61 61 62 63
Iran, Islamic Rep. 60 61 62 62 63
Vanuatu 61 61 62 62 63
Indonesia 61 62 62 62 63
South Africa 61 62 62 63 64
Sao Tome and Principe 62 62 63 63 63
Egypt, Arab Rep. 61 62 63 63 64
Nicaragua 62 62 63 63 64
Zimbabwe 62 63 63 64 64
Algeria 61 62 63 65 66
El Salvador 62 63 64 64 65
Botswana 63 64 64 64 65
Peru 63 63 64 65 65
Cabo Verde 63 64 64 65 65
Turkey 63 64 64 65 65
Oman 62 63 64 65 66
Honduras 63 63 64 65 66
Samoa 64 64 65 65 66
Turkmenistan 65 65 65 66 66
Tajikistan 65 65 65 66 66
Philippines 65 65 66 66 66
Fiji 65 65 66 66 66
Micronesia, Fed. Sts. 66 66 66 66 66
Tunisia 64 65 66 67 68
Guyana 66 66 66 66 67
Greenland 67 66 66 67 67
Brazil 66 66 66 67 67
Dominican Republic 65 66 66 67 67
Iraq 65 66 66 67 67
Ecuador 66 66 67 68 68
Saudi Arabia 66 66 67 68 68
Libya 67 67 68 68 69
Syrian Arab Republic 67 68 68 69 69
Kyrgyz Republic 68 68 68 69 69
Moldova 68 68 69 69 69
Azerbaijan 69 69 69 69 69
Jordan 68 69 69 69 70
French Polynesia 68 69 69 70 70
China 68 69 69 69 70
Grenada 69 69 69 70 70
Paraguay 69 69 69 69 70
Thailand 68 69 69 70 71
Tonga 69 69 70 70 70
Uzbekistan 69 69 70 70 70
Suriname 69 70 70 70 70
Korea, Dem. People’s Rep. 69 70 70 70 71
Lebanon 70 70 70 70 71
Trinidad and Tobago 70 70 70 70 70
Colombia 69 70 70 71 71
Malaysia 70 70 71 71 71
St. Vincent and the Grenadines 70 70 71 71 71
United Arab Emirates 70 70 71 71 71
Macedonia, FYR 71 71 71 71 72
New Caledonia 71 70 71 72 72
Mexico 70 71 71 72 72
Korea, Rep. 71 71 71 72 73
Barbados 71 71 72 72 72
Sri Lanka 71 71 72 72 72
Venezuela, RB 71 72 72 72 72
Kuwait 71 72 72 72 72
Mauritius 71 72 72 72 72
Antigua and Barbuda 72 72 72 72 73
Bahrain 72 72 72 73 73
Kazakhstan 72 72 72 73 73
Bahamas, The 72 72 72 73 73
Belize 72 72 73 73 73
Romania 72 72 73 73 73
Guam 72 72 73 73 73
Brunei Darussalam 72 72 73 73 73
Chile 72 72 73 73 74
Vietnam 72 73 73 73 73
Hungary 73 73 73 73 73
Armenia 74 74 73 73 72
Albania 72 73 73 74 74
Georgia 73 73 73 74 74
Russian Federation 73 74 73 73 73
St. Lucia 73 73 73 74 74
Bosnia and Herzegovina 73 73 74 74 74
Jamaica 73 74 74 74 74
Argentina 73 74 74 74 74
Ukraine 74 74 74 74 74
Panama 73 74 74 74 75
Croatia 74 74 74 74 75
Czech Republic 74 74 74 75 75
Bulgaria 74 74 74 75 74
Slovak Republic 75 75 75 75 75
Estonia 74 74 75 74 74
Latvia 74 75 75 75 74
Qatar 74 74 75 75 75
Uruguay 74 74 75 75 75
Belarus 74 74 75 75 76
Slovenia 75 75 75 75 76
Poland 75 75 75 75 75
Aruba 75 75 75 75 76
Macao SAR, China 75 75 76 76 76
Singapore 75 75 76 76 76
Portugal 75 76 76 76 76
Virgin Islands (U.S.) 75 75 76 76 77
Lithuania 76 76 76 76 75
Malta 76 76 76 76 77
Cuba 76 76 76 76 76
Ireland 76 76 76 76 77
Israel 76 76 76 77 77
St. Martin (French part) 77 76 76 76
Costa Rica 75 76 76 77 77
Montenegro 76 76 77 77 77
Luxembourg 76 76 77 77 77
Austria 77 77 77 77 77
Germany 76 77 77 77 77
New Zealand 77 77 77 78 77
Belgium 77 77 77 78 78
United Kingdom 77 77 77 78 78
Cyprus 77 77 77 78 78
Denmark 77 78 78 78 77
Puerto Rico 77 77 78 78 78
Greece 77 78 78 78 78
Italy 78 78 78 79 79
United States 78 78 78 78 78
Finland 78 79 78 79 79
Hong Kong SAR, China 79 78 78 79 79
Australia 78 78 79 79 79
France 79 79 79 79 80
Spain 79 79 79 80 80
Canada 79 79 80 80 80
Switzerland 79 79 80 80 80
Norway 79 80 80 80 79
Netherlands 79 79 80 80 80
Sweden 79 79 80 80 80
Japan 79 80 80 80 81
Iceland 80 80 81 80 80
Cayman Islands
Serbia
Northern Mariana Islands
Monaco
Bermuda
San Marino
Andorra
Sint Maarten (Dutch part)
Faroe Islands
Seychelles 72
Dominica 73
Isle of Man
St. Kitts and Nevis 66
Palau
Tuvalu
Liechtenstein
Marshall Islands
West Bank and Gaza
Turks and Caicos Islands
American Samoa
Curacao

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