Country name 1980 1981 1982 1983 1984
San Marino 12 10 9 9 9
Israel 12 12 12 12 12
Finland 16 14 14 15 15
Luxembourg 14 14 14 14 13
Austria 16 15 14 13 13
Qatar 14 15 14 14 13
Virgin Islands (U.S.) 14
Italy 16 16 16 15 14
Brunei Darussalam 18 18 16 16 15
Cuba 18 17 17 16 15
American Samoa 17 21
Lebanon 18 17
Bermuda 23 19 18 18 18
Portugal 18 18 18 18 17
St. Vincent and the Grenadines 18
Belgium 19 18 18 19
Kuwait 19 19 18 19 18
Samoa 20 21 18 18
United Kingdom 19 19 18 18
French Polynesia 21 19 19 22 22
Bahrain 20 19 19 18 18
Latvia 20 20 20 19
Guam 20 20 20 20 20
New Caledonia 21 20 20 21
Argentina 20 20 20 20
France 20 21 22
Mauritius 20 20 21 21 21
New Zealand 17 21 20
Malta 21 21 21 21 24
Cyprus 23 22 21 21 21
Tonga 24 25 21 20 21
United Arab Emirates 16 16 21 22 24
Uruguay 22 21 22 21 23
Guinea-Bissau 25 23 23 22 23
Netherlands 24 23 23 20 20
Trinidad and Tobago 26 24 23 23 23
Grenada 32 23 23 23 22
Greece 25 24 23 24 24
Oman 23 23 25 25 27
Japan 25 25 25 25 25
Solomon Islands 25 25 26 25 24
China 27 27 26 25 25
Malaysia 27 26 26 26 26
Paraguay 27 27 26 26 25
Panama 27 27 26 26 26
Sao Tome and Principe 29 28 27 26 30
Venezuela, RB 28 27 27 26 26
Iraq 28 28 27 24 24
Suriname 23 27 27 25 25
Iran, Islamic Rep. 27 20 20
Turkey 27 28 29 31
Syrian Arab Republic 29 28 28 27 27
Singapore 31 30 28 29 27
Spain 28 28 27 27
Ireland 29 29 28 28 27
Bahamas, The 26 26 28 21 20
Czech Republic 29 29 29 29
Ghana 28 30 30 29 29
Lao PDR 31 30 30 29 27
Colombia 31 31 30 30 30
Hong Kong SAR, China 30 30 30 28 28
Kiribati 30 30 31 30 28
St. Lucia 32 31 31 32 30
Papua New Guinea 30 31 31
Philippines 32 32 31 32 31
Jordan 32 32 31 32 32
Angola 31 37 32
Indonesia 32 32 29 28
Costa Rica 28 33 32 32 34
Guinea 38 36 32 31 31
Botswana 32 32 32 31 31
Swaziland 34 33 33 33 33
Algeria 36 35 34 32 31
Egypt, Arab Rep. 33 34 31 32
Sierra Leone 34 33 35 34 34
Guatemala 34 37 35 36 36
Ecuador 36 36 35 36 33
Bhutan 36 35 39
Pakistan 37 36 36 35 36
Nicaragua 35 36 35 34
Morocco 38 38 36 36 34
Uganda 34 35 36 35 34
Cote d'Ivoire 39 39 36 36 36
Guyana 33 33 37 36 37
Nigeria 36 35 37 37 38
Mexico 39 37 37 36
Honduras 37 39 37 37 38
Tunisia 39 39 38 38 36
Peru 37 37 38 35 34
Benin 55 48 39 38 35
Burundi 35 37 39 47 52
Tanzania 43 40 40 38
Mali 42 42 40 37 35
Madagascar 46 44 41 39 38
Djibouti 42 40 41 48 44
Zimbabwe 44 45 42 39 39
Niger 39 41 42 40 40
Senegal 43 46 43 44 41
Mauritania 46 41 44 45 45
Haiti 43 44 44 43 42
Gabon 43 45 45 44 45
Korea, Rep. 48 48 46 44 42
Nepal 38 48 46 43 38
Zambia 49 48 48 47 47
Cambodia 44 48 46 42
Rwanda 56 52 50 47 47
Cameroon 52 52 51 49 50
Togo 54 55 52 48 45
Lesotho 48 48 52 51 53
Myanmar 48 52 56 55 52
Congo, Rep. 56 54 58 58 57
Burkina Faso 53 54 60 60 58
Central African Republic 61 60 61 62 68
Ethiopia 59 64 63 59 54
Equatorial Guinea 69 68
Mozambique 81 69 56 57
Faeroe Islands
Croatia
Dominica
Maldives
Libya 20 18 17
Dominican Republic 46
Sri Lanka
Jamaica 41 41 34 34
Belarus
Marshall Islands
Saudi Arabia
Afghanistan
Somalia 31
Antigua and Barbuda
Brazil
Isle of Man
Malawi
Micronesia, Fed. Sts.
Vanuatu 24 21 24
Moldova 29
Eritrea
Monaco
Serbia
Mongolia 32 32 32
Slovenia
Montenegro
South Sudan
El Salvador
Australia 19 16
Tajikistan
Macedonia, FYR
Tuvalu
Switzerland
Azerbaijan
Macao SAR, China
Namibia
Ukraine
Aruba
Barbados 20 23
Lithuania 25
Vietnam 36 39
Congo, Dem. Rep. 42
Kosovo
Comoros 46 38 39
Cabo Verde 42 40 39
Kazakhstan
Korea, Dem. Rep.
Sint Maarten (Dutch part)
Seychelles
Curacao
Estonia
India
Slovak Republic
Northern Mariana Islands
Liberia
Norway
South Africa
Chile
Bulgaria
Iceland
St. Kitts and Nevis 25 23
Palau
St. Martin (French part)
Chad
Sudan
Thailand 21 20
Liechtenstein
Sweden
Armenia
Bosnia and Herzegovina
Turkmenistan
Greenland
Bolivia
Timor-Leste
Cayman Islands 19
Hungary
Fiji 24
Canada 16 16
Germany
Poland
Turks and Caicos Islands
West Bank and Gaza
Georgia 19
Kyrgyz Republic 28
Belize
Kenya
United States 14
Romania 26
Uzbekistan 24
Russian Federation 28
Bangladesh 54 55 51 47
Denmark
Albania
Puerto Rico
Yemen, Rep.
Andorra 10
Gambia, The 27 24 23 25

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