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

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