Country name 1986 1987 1988 1989 1990
Japan 75 76 76 76 76
Iceland 75 75 74 76 75
Hong Kong SAR, China 74 74 74 74 75
Sweden 74 74 74 75 75
Cyprus 74 74 74 74 75
Switzerland 74 74 74 74 74
Israel 73 74 74 75 75
Qatar 73 74 74 74 74
Canada 73 74 74 74 74
Netherlands 73 74 74 74 74
Spain 73 73 73 73 73
Australia 73 73 73 74 74
Italy 73 73 73 74 74
Cuba 73 73 73 73 73
Norway 73 73 73 73 73
United Kingdom 72 73 73 73 73
Singapore 72 73 73 73 73
Greece 72 72 73 74 75
Costa Rica 72 72 73 73 73
Macao SAR, China 72 72 73 73 73
Malta 72 72 72 73 73
Faroe Islands 72 72 72 73 73
Belgium 71 72 72 72 73
France 72 72 72 72 73
Denmark 72 72 72 72 72
Austria 71 72 72 72 72
Germany 71 71 72 72 72
United States 71 71 71 72 72
New Zealand 71 71 71 72 73
Ireland 71 71 72 72 72
Montenegro 71 71 71 71 71
Aruba 71 71 71 71 71
Brunei Darussalam 71 71 71 71 72
Kuwait 70 71 71 71 71
Bahrain 70 71 71 71 71
Finland 71 71 71 71 71
Luxembourg 70 71 71 71 71
St. Martin (French part) 70 71 71 71 71
Dominica 71
Puerto Rico 71 70 70 70 70
Portugal 70 70 70 71 71
Jamaica 70 70 70 70 70
Virgin Islands (U.S.) 70 70 70 71 71
Marshall Islands 70
Panama 69 70 70 70 70
United Arab Emirates 69 69 70 70 71
Belize 69 69 69 69 69
Albania 69 69 69 69 69
Guam 69 69 69 70 70
Bosnia and Herzegovina 69 69 68 68 67
Macedonia, FYR 68 69 69 69 69
Uruguay 68 68 69 69 69
Bulgaria 69 68 68 68 68
Malaysia 68 68 69 69 69
Barbados 68 68 68 69 69
Syrian Arab Republic 68 68 69 69 69
Slovenia 68 68 68 69 69
Chile 68 68 69 69 69
St. Lucia 68 68 68 68 69
Antigua and Barbuda 68 68 68 68 69
Croatia 68 68 68 68 69
Czech Republic 67 68 68 68 68
Lebanon 67 68 68 68 69
Lithuania 68 68 67 67 66
Tonga 68 68 68 68 68
Jordan 67 68 68 68 69
Argentina 67 68 68 68 68
St. Vincent and the Grenadines 67 67 67 68 68
Slovak Republic 67 67 67 67 67
China 67 67 67 67 67
Seychelles 67
Poland 67 67 67 67 67
Bahamas, The 67 67 67 67 67
Venezuela, RB 67 67 67 67 67
Belarus 67 67 67 67 66
Mexico 66 67 67 67 68
New Caledonia 66 67 66 67 68
Latvia 66 66 66 65 64
Estonia 66 66 67 66 65
Thailand 66 66 67 67 67
Romania 67 66 67 67 67
Ukraine 65 66 66 66 66
Georgia 66 66 66 66 66
Saudi Arabia 66 66 67 67 67
Sri Lanka 66 66 66 66 66
Armenia 66 66 66 65 65
Libya 65 66 66 67 67
Korea, Rep. 65 66 66 67 67
Grenada 66 66 66 66 66
Hungary 65 66 66 65 65
French Polynesia 65 66 66 66 67
Paraguay 65 65 65 66 66
Micronesia, Fed. Sts. 65 65 65 66 66
Tunisia 65 65 66 66 69
Vietnam 65 65 65 66 66
Korea, Dem. People’s Rep. 65 65 66 66 66
Ecuador 65 65 66 66 67
Trinidad and Tobago 65 65 65 65 65
Mauritius 65 65 65 65 66
Kazakhstan 64 65 65 64 64
Russian Federation 65 65 65 64 64
Colombia 64 64 64 64 64
Dominican Republic 64 64 65 65 65
Algeria 63 64 65 65 65
St. Kitts and Nevis 64
Suriname 64 64 64 64 64
Uzbekistan 64 64 64 64 64
Moldova 63 64 64 64 64
Oman 63 64 64 65 65
Fiji 63 63 63 63 64
Honduras 62 63 63 64 64
Cabo Verde 62 63 63 64 64
Philippines 62 62 62 62 63
Kyrgyz Republic 61 62 62 64 64
Azerbaijan 62 62 61 61 61
Peru 61 62 62 63 63
Morocco 61 61 62 63 63
Greenland 61 61 61 61 61
Indonesia 61 61 61 62 62
Botswana 61 61 61 61 61
Egypt, Arab Rep. 60 61 61 62 62
Tajikistan 61 61 61 60 60
Brazil 60 61 61 61 62
Vanuatu 60 60 61 61 62
Samoa 60 60 61 61 62
Zimbabwe 60 60 60 59 58
Maldives 59 60 61 61 62
Guyana 60 60 60 60 60
Sao Tome and Principe 59 59 60 60 60
Turkey 59 59 60 60 61
Iraq 58 59 61 62 63
Turkmenistan 59 59 59 59 59
Gabon 58 59 59 60 60
Nicaragua 58 59 60 60 61
Pakistan 58 59 59 59 59
Namibia 58 58 58 59 59
Guatemala 58 58 59 59 59
Kenya 58 58 58 57 57
South Africa 57 57 58 58 58
Mongolia 57 57 57 58 58
Swaziland 56 57 57 58 58
Kiribati 56 56 57 57 58
India 56 56 57 57 58
Bangladesh 56 56 57 57 58
Mauritania 56 56 57 57 57
Lesotho 56 56 57 57 58
Solomon Islands 56 56 56 56 56
El Salvador 55 56 57 58 59
Myanmar 55 55 56 56 57
Yemen, Rep. 54 55 55 56 56
Congo, Rep. 55 55 54 54 54
Djibouti 54 55 55 55 55
Ghana 54 54 55 55 56
Senegal 53 54 55 55 56
Iran, Islamic Rep. 51 54 57 59 62
Togo 53 54 54 54 55
Sudan 53 54 54 54 54
Comoros 53 53 54 55 55
Papua New Guinea 52 52 53 53 53
Haiti 52 52 52 53 53
Bolivia 51 52 52 53 53
Cameroon 52 52 52 52 52
Nepal 50 51 52 53 54
Cote d'Ivoire 51 51 51 51 51
Lao PDR 50 51 51 52 52
Bhutan 50 50 51 52 53
Cambodia 50 50 51 51 51
Gambia, The 49 50 50 51 51
Tanzania 49 49 49 49 49
Madagascar 49 49 49 49 50
Benin 48 49 49 50 51
Burkina Faso 48 48 48 48 48
Central African Republic 47 47 47 47 47
Burundi 47 47 47 47 46
Congo, Dem. Rep. 47 47 47 47 48
Afghanistan 46 46 47 48 49
Guinea 45 46 47 48 49
Guinea-Bissau 46 46 46 47 47
Equatorial Guinea 45 46 46 46 47
Chad 45 45 46 46 46
Liberia 45 45 45 45 45
Nigeria 45 45 45 45 45
Zambia 46 45 44 43 42
Mali 44 45 45 46 47
Somalia 45 45 44 44 44
Uganda 45 45 44 43 43
Timor-Leste 44 45 45 46 47
Ethiopia 44 44 45 45 46
Eritrea 44 44 45 45 46
Rwanda 47 44 40 35 31
Malawi 44 43 43 43 43
Niger 42 42 43 43 44
Mozambique 41 41 41 41 42
South Sudan 40 40 41 41 42
Angola 39 39 39 39 39
Sierra Leone 40 39 38 38 37
Liechtenstein
Turks and Caicos Islands
Tuvalu
Curacao
San Marino
Bermuda
Isle of Man
Sint Maarten (Dutch part)
West Bank and Gaza 67
Serbia
Palau 63
Cayman Islands
Andorra
Monaco
American Samoa
Northern Mariana Islands

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