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

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