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

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