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

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