Country name 1980 1981 1982 1983
Ghana 6 5 3 4
Uganda 6 6 9 7
Central African Republic 7 9 7 12
Mozambique 8 10 11 12
Congo, Dem. Rep. 10 11 8 9
Madagascar 15 11 8 8
Rwanda 16 13 18 14
Puerto Rico 12 14 14 11
Burkina Faso 15 14 18 17
El Salvador 13 14 13 12
Benin 15 16 28 17
Mali 15 16 16 12
Bolivia 17 16 16 13
Ethiopia 16 16 15
United Kingdom 18 16 17 18
Kuwait 14 17 25 25
Denmark 20 17 18 18
Burundi 14 17 14 23
Guatemala 16 17 14 11
New Caledonia 17 18 17
Nepal 18 18 17 20
Bangladesh 14 18 18 17
Malawi 25 18 21 23
Turkey 18 18 17 16
Pakistan 18 19 19 19
Bahamas, The 18 19 21 20
Sierra Leone 16 19 13 14
Sweden 22 19 19 19
Sudan 15 19 19 15
Zambia 23 19 17 14
Luxembourg 21 20 20 20
Netherlands 23 20 19 20
Niger 28 20 21 13
Jamaica 16 20 21 22
Colombia 19 21 21 20
Zimbabwe 17 21 19 14
Saudi Arabia 23 21 26 34
France 23 21 21 19
Honduras 25 21 14 14
Israel 22 21 23 23
Uruguay 17 21 20 14
Belgium 25 21 21 18
India 18 22 22 20
Spain 24 22 22 21
Greece 27 22 26 25
Argentina 25 23 22 21
Chile 21 23 11 10
Kenya 25 23 22 21
Myanmar 21 23 22 18
Germany 25 23 22 22
Namibia 24 23 18 17
Oman 22 23 27 26
Brazil 23 23 21 17
Solomon Islands 25 23 21 25
Nicaragua 17 24 19 22
Dominican Republic 25 24 20 21
Togo 28 24 21 21
New Zealand 20 24 25 26
United States 23 24 22 22
Venezuela, RB 26 24 28 12
Italy 27 25 24 22
Malta 23 25 29 27
Senegal 17 25 20 20
Syrian Arab Republic 30 25 25 25
Mauritius 21 25 18 17
Gambia, The 27 25 22 19
Georgia 29 25 26 31
Canada 24 25 20 20
Austria 27 26 23 22
Guinea-Bissau 28 26 28 23
Ecuador 25 26 22 21
Cote d'Ivoire 27 26 23 18
Belize 24 26 21 20
Morocco 24 26 28 24
Cuba 26 26 26 25
Norway 27 26 27 25
Ireland 26 27 26 22
Indonesia 24 27 28 31
Iceland 27 27 28 21
Comoros 33 27 31 30
Iran, Islamic Rep. 31 27 20 27
Cameroon 21 27 25 26
Papua New Guinea 25 27 32 29
Finland 30 27 27 27
Mexico 27 27 23 21
Philippines 29 27 28 30
Somalia 42 28 29 22
Barbados 25 28 23 20
Trinidad and Tobago 31 28 28 26
Korea, Rep. 30 28 27 27
Sri Lanka 34 28 31 29
Switzerland 30 28 26 25
Panama 28 28 27 18
Australia 27 29 30 25
Costa Rica 27 29 25 16
Egypt, Arab Rep. 28 30 30 29
Tonga 30 30 31 29
Hungary 31 30 29 26
Thailand 29 30 27 30
Latvia 26 30 31 31
St. Kitts and Nevis 38 30 34 37
Mauritania 26 30 34 26
Japan 32 31 30 28
Swaziland 41 31 30 33
Suriname 26 31 28 16
Guyana 33 31 25 21
St. Vincent and the Grenadines 38 31 28 25
Malaysia 27 32 34 34
Bhutan 30 32 35 39
Tunisia 29 32 32 33
China 35 33 34 34
South Africa 30 33 25 25
Cyprus 38 34 32 30
Dominica 51 34 31 28
Nigeria 34 30 22
St. Lucia 34 34 33 22
Fiji 32 34 26 21
Peru 29 34 34 24
Hong Kong SAR, China 35 35 31 27
Albania 35 35 38 36
Bulgaria 34 35 34 33
Portugal 34 36 35 29
Romania 36 34
Gabon 28 36 35 35
Algeria 39 37 37 38
Lesotho 37 38 43 33
Grenada 27 41 42 37
Bahrain 46 42 36 44
Antigua and Barbuda 35 42 39 20
Botswana 40 43 38 29
Singapore 45 45 46 46
Jordan 37 46 39 33
Congo, Rep. 36 48 60 38
Kiribati 33 50 63 59
Equatorial Guinea 72 60 153 112
Mongolia 70 70 58
Virgin Islands (U.S.)
Montenegro
Faeroe Islands
Bosnia and Herzegovina
Estonia
United Arab Emirates
Eritrea
Iraq
Maldives
Timor-Leste
Northern Mariana Islands
Turks and Caicos Islands
South Sudan
Uzbekistan
French Polynesia
Cabo Verde
Afghanistan
Brunei Darussalam
Isle of Man
Djibouti
Kazakhstan
Palau
Greenland
Czech Republic
Azerbaijan
Macedonia, FYR
Armenia
Paraguay
Micronesia, Fed. Sts. 38
Macao SAR, China 25 27
Andorra
Curacao
Marshall Islands
Poland
Guam
Guinea
Liechtenstein
Croatia
Libya
Qatar
Liberia
Korea, Dem. Rep.
St. Martin (French part)
Russian Federation
Monaco
Bermuda
Lao PDR
Tanzania
Kyrgyz Republic
Samoa
Tajikistan
San Marino
Belarus
Sao Tome and Principe
Moldova
Lithuania
Aruba
Chad 3 3
Serbia
Turkmenistan
Seychelles
Tuvalu
Cayman Islands
Ukraine
Yemen, Rep.
Angola
Haiti
American Samoa
Slovak Republic
Vanuatu 24
Slovenia
Vietnam
Cambodia
West Bank and Gaza
Sint Maarten (Dutch part)
Kosovo
Lebanon

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