Country name 1980 1981 1982 1983
Afghanistan
Albania 9 9 9 9
Algeria 15 15 16 16
American Samoa
Andorra
Angola
Antigua and Barbuda 19 19 19 20
Argentina
Armenia
Aruba
Australia 17 18 18 19
Austria 18 19 19 19
Azerbaijan
Bahamas, The 13 14 13 14
Bahrain 13 14 17 18
Bangladesh 6 5 5 4
Barbados 15 17 17 16
Belarus
Belgium 23 24 24 23
Belize 17 19 23 24
Benin 9 9 10 14
Bermuda
Bhutan 23 19 20 20
Bolivia 14 13 12 9
Bosnia and Herzegovina
Botswana 21 25 26 26
Brazil 9 9 10 10
Brunei Darussalam 8 4 6 9
Bulgaria 14 15 15 15
Burkina Faso 9 9 14 14
Burundi 9 9 11 8
Cabo Verde
Cambodia
Cameroon 10 9 9 9
Canada 21 21 23 23
Cayman Islands
Central African Republic 15 15 16 17
Chad 5 6
Chile 12 13 15 14
China 15 15 15 15
Colombia 10 10 11 11
Comoros 31 31 30 28
Congo, Dem. Rep. 8 10 9 8
Congo, Rep. 18 13 13 16
Costa Rica 18 16 15 13
Cote d'Ivoire 17 18 17 17
Croatia
Cuba 32 32 32 32
Curacao
Cyprus 14 15 15 15
Czech Republic
Denmark 27 28 28 28
Djibouti
Dominica 27 25 25 24
Dominican Republic 8 10 10 9
Ecuador 18 16 17 15
Egypt, Arab Rep. 16 19 18 17
El Salvador 14 16 16 16
Equatorial Guinea 85 70 46 30
Eritrea
Estonia
Ethiopia 10 11 12
Faeroe Islands
Fiji 16 16 18 20
Finland 18 19 19 20
France 21 22 23 23
French Polynesia
Gabon 13 14 16 17
Gambia, The 31 46 32 39
Georgia 13 12 12 12
Germany 21 22 21 21
Ghana 11 9 6 6
Greece 14 16 16 17
Greenland
Grenada 20 20 19 18
Guam
Guatemala 8 8 8 8
Guinea
Guinea-Bissau 28 28 29 25
Guyana 24 29 26 27
Haiti
Honduras 13 13 13 13
Hong Kong SAR, China 6 7 7 7
Hungary 10 10 10 10
Iceland 18 18 19 19
India 10 10 11 11
Indonesia 11 11 12 10
Iran, Islamic Rep. 23 23 20 18
Iraq
Ireland 22 22 22 22
Isle of Man
Israel 40 41 38 35
Italy 17 18 18 19
Jamaica 20 21 22 20
Japan 14 14 14 15
Jordan 29 32 29 26
Kazakhstan
Kenya 20 19 18 18
Kiribati 59 58 54 49
Korea, Dem. Rep.
Korea, Rep. 12 12 12 11
Kosovo
Kuwait 11 14 19 21
Kyrgyz Republic
Lao PDR
Latvia 8 8 8 8
Lebanon
Lesotho 22 21 13 13
Liberia 21 25 28 25
Libya
Liechtenstein
Lithuania
Luxembourg 17 18 17 16
Macao SAR, China 6 6
Macedonia, FYR
Madagascar 12 12 11 10
Malawi 19 18 18 16
Malaysia 16 18 18 15
Maldives
Mali 12 11 11 11
Malta 15 16 17 17
Marshall Islands
Mauritania 45 39 32 33
Mauritius 14 14 14 13
Mexico 10 11 10 9
Micronesia, Fed. Sts. 58
Moldova
Monaco
Mongolia 25 23 21
Montenegro
Morocco 18 19 18 17
Mozambique 12 14 14 21
Myanmar
Namibia 14 21 21 22
Nepal 7 7 9 10
Netherlands 24 25 25 25
New Caledonia 31 33 35
New Zealand 20 20 20 19
Nicaragua 20 22 23 31
Niger 10 11 11 11
Nigeria 15 16 15
Northern Mariana Islands
Norway 19 19 20 20
Oman 25 25 26 27
Pakistan 10 10 10 11
Palau
Panama 18 17 19 19
Papua New Guinea 24 27 27 23
Paraguay
Peru 11 10 11 11
Philippines 9 9 9 8
Poland
Portugal 13 13 13 13
Puerto Rico 16 16 14 15
Qatar
Romania 12 11
Russian Federation
Rwanda 12 20 13 12
Samoa
San Marino
Sao Tome and Principe
Saudi Arabia 16 20 26 30
Senegal 25 23 20 19
Serbia
Seychelles
Sierra Leone 8 7 9 9
Singapore 10 9 11 11
Sint Maarten (Dutch part)
Slovak Republic
Slovenia
Solomon Islands
Somalia 16 22 13 20
South Africa 14 15 16 16
South Sudan
Spain 14 15 15 16
Sri Lanka 9 7 8 8
St. Kitts and Nevis 21 26 23 23
St. Lucia 18 17 24 22
St. Martin (French part)
St. Vincent and the Grenadines 23 23 23 23
Sudan 16 13 10 9
Suriname 21 24 28 25
Swaziland 27 27 24 22
Sweden 29 29 29 28
Switzerland 10 10 10 10
Syrian Arab Republic 23 21 22 22
Tajikistan
Tanzania
Thailand 12 13 13 13
Timor-Leste
Togo 22 19 19 17
Tonga 15 14 17 14
Trinidad and Tobago 12 13 21 21
Tunisia 14 15 17 17
Turkey 12 10 10 9
Turkmenistan
Turks and Caicos Islands
Tuvalu
Uganda 11 10
Ukraine
United Arab Emirates
United Kingdom 22 22 22 22
United States 16 16 17 16
Uruguay 12 14 16 15
Uzbekistan
Vanuatu 27 24 25 33
Venezuela, RB 12 13 13 12
Vietnam
Virgin Islands (U.S.)
West Bank and Gaza
Yemen, Rep.
Zambia 26 28 28 24
Zimbabwe 19 16 19 17

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