Country name 1986 1987 1988 1989 1990
Afghanistan 18 18 17 16 16
Albania 6 6 6 6 6
Algeria 7 7 7 6 6
American Samoa
Andorra
Angola 24 24 24 23 23
Antigua and Barbuda 7 7 7 7 7
Argentina 8 8 8 8 8
Armenia 7 8 8 8 8
Aruba 7 7 7 7 7
Australia 7 8 7 7 7
Austria 12 11 11 11 11
Azerbaijan 7 7 7 6 6
Bahamas, The 6 6 6 6 5
Bahrain 4 4 4 3 3
Bangladesh 12 12 11 11 10
Barbados 10 10 10 10 10
Belarus 10 10 10 10 11
Belgium 11 11 11 11 10
Belize 6 5 5 5 5
Benin 16 16 15 15 14
Bermuda 8 7
Bhutan 16 15 14 14 13
Bolivia 14 14 13 13 13
Bosnia and Herzegovina 7 7 7 7 8
Botswana 8 7 7 7 7
Brazil 8 8 7 7 7
Brunei Darussalam 4 4 4 4 4
Bulgaria 12 12 12 12 13
Burkina Faso 17 17 17 17 17
Burundi 18 18 18 18 18
Cabo Verde 9 9 8 8 8
Cambodia 13 13 13 13 13
Cameroon 15 14 14 14 14
Canada 7 7 7 7 7
Cayman Islands
Central African Republic 17 17 17 17 17
Chad 20 19 19 19 19
Chile 7 6 6 6 6
China 7 7 7 7 7
Colombia 6 6 6 6 6
Comoros 13 13 12 12 11
Congo, Dem. Rep. 18 17 17 17 17
Congo, Rep. 12 12 12 12 12
Costa Rica 4 4 4 4 4
Cote d'Ivoire 14 14 14 14 14
Croatia 11 11 11 11 11
Cuba 7 7 7 7 7
Curacao
Cyprus 7 7 7 7 7
Czech Republic 13 12 12 12 13
Denmark 11 11 12 12 12
Djibouti 11 11 11 11 11
Dominica 6 9
Dominican Republic 7 7 7 6 6
Ecuador 7 7 7 6 6
Egypt, Arab Rep. 10 10 9 9 9
El Salvador 10 9 9 8 8
Equatorial Guinea 20 19 19 19 19
Eritrea 17 16 16 16 15
Estonia 12 12 12 12 12
Ethiopia 20 19 19 19 18
Faroe Islands 8 8 9 8 8
Fiji 7 7 6 6 6
Finland 10 10 10 10 10
France 10 10 10 9 9
French Polynesia 6 6 6 6 5
Gabon 12 12 11 11 11
Gambia, The 16 15 15 15 14
Georgia 9 9 9 9 9
Germany 12 12 12 12 12
Ghana 12 12 12 11 11
Greece 9 10 9 9 9
Greenland 8 8 8 8 8
Grenada 8 8 8 8 9
Guam 5 5 5 5 5
Guatemala 10 9 9 9 9
Guinea 19 19 18 18 17
Guinea-Bissau 19 19 18 18 18
Guyana 9 9 9 9 9
Haiti 14 14 14 13 13
Honduras 8 7 7 7 7
Hong Kong SAR, China 5 5 5 5 5
Hungary 14 13 13 14 14
Iceland 7 7 7 7 7
India 12 12 11 11 11
Indonesia 9 8 8 8 8
Iran, Islamic Rep. 11 10 9 8 7
Iraq 8 8 8 7 7
Ireland 10 9 9 9 9
Isle of Man 15 15
Israel 7 7 7 7 7
Italy 10 9 10 9 10
Jamaica 7 7 7 7 6
Japan 6 7 7 6 7
Jordan 6 6 5 5 5
Kazakhstan 7 8 8 8 8
Kenya 10 10 10 10 10
Kiribati 11 11 10 10 10
Korea, Dem. People’s Rep. 6 6 6 6 6
Korea, Rep. 6 6 6 6 6
Kuwait 3 3 3 3 3
Kyrgyz Republic 9 9 9 7 7
Lao PDR 15 15 14 14 14
Latvia 12 12 12 12 13
Lebanon 7 7 7 7 7
Lesotho 12 12 11 11 10
Liberia 18 18 18 18 18
Libya 6 6 5 5 5
Liechtenstein 7 7 7 6 7
Lithuania 10 10 10 10 11
Luxembourg 11 11 10 11 10
Macao SAR, China 6 6 6 6 5
Macedonia, FYR 7 7 7 7 7
Madagascar 16 16 16 16 15
Malawi 20 20 20 20 20
Malaysia 5 5 5 5 5
Maldives 11 10 10 9 9
Mali 22 21 21 20 20
Malta 8 8 8 7 8
Marshall Islands 5
Mauritania 11 11 11 11 11
Mauritius 7 7 7 7 7
Mexico 6 6 6 6 5
Micronesia, Fed. Sts. 7 7 7 7 7
Moldova 11 10 10 10 10
Monaco
Mongolia 11 11 11 10 10
Montenegro 7 7 7 7 7
Morocco 9 8 8 8 7
Mozambique 22 22 22 21 21
Myanmar 11 11 11 10 10
Namibia 10 9 9 9 9
Nepal 15 15 14 13 13
Netherlands 9 8 8 9 9
New Caledonia 6 6 6 6 5
New Zealand 8 8 8 8 8
Nicaragua 9 9 8 8 7
Niger 24 23 23 23 23
Nigeria 18 18 18 18 18
Northern Mariana Islands
Norway 11 11 11 11 11
Oman 7 7 6 6 5
Pakistan 12 11 11 11 11
Palau 8
Panama 5 5 5 5 5
Papua New Guinea 11 11 11 11 10
Paraguay 7 7 7 7 6
Peru 8 8 8 7 7
Philippines 7 7 7 7 7
Poland 10 10 10 10 10
Portugal 10 10 10 10 10
Puerto Rico 7 7 7 7 7
Qatar 2 2 2 2 2
Romania 11 11 11 11 11
Russian Federation 10 11 11 11 11
Rwanda 16 19 23 28 33
Samoa 8 8 8 7 7
San Marino
Sao Tome and Principe 11 11 10 10 10
Saudi Arabia 6 6 5 5 5
Senegal 13 12 12 12 11
Serbia
Seychelles 8 7 7 7 7
Sierra Leone 24 25 25 26 27
Singapore 5 5 5 5 5
Sint Maarten (Dutch part)
Slovak Republic 10 10 10 10 10
Slovenia 10 10 10 9 9
Solomon Islands 11 11 11 11 11
Somalia 19 19 19 20 20
South Africa 9 9 8 8 8
South Sudan 23 22 22 21 21
Spain 8 8 8 8 9
Sri Lanka 6 6 6 6 6
St. Kitts and Nevis 11 10 11 11
St. Lucia 6 6 6 6 6
St. Martin (French part) 3 3 3 3 3
St. Vincent and the Grenadines 7 7 7 7 7
Sudan 12 12 12 12 12
Suriname 7 7 7 7 7
Swaziland 11 10 10 10 10
Sweden 11 11 12 11 11
Switzerland 9 9 9 9 10
Syrian Arab Republic 5 5 5 5 5
Tajikistan 10 10 10 10 10
Tanzania 15 15 15 15 15
Thailand 6 6 6 6 6
Timor-Leste 18 17 17 16 16
Togo 13 13 12 12 12
Tonga 6 6 6 6 6
Trinidad and Tobago 8 8 8 8 8
Tunisia 7 6 6 6 6
Turkey 9 9 9 8 8
Turkmenistan 9 9 9 9 9
Turks and Caicos Islands
Tuvalu
Uganda 18 18 18 19 19
Ukraine 11 11 12 12 12
United Arab Emirates 3 3 3 3 3
United Kingdom 12 11 11 12 11
United States 9 9 9 9 9
Uruguay 10 10 10 10 10
Uzbekistan 7 7 7 6 6
Vanuatu 9 9 8 8 8
Venezuela, RB 5 5 5 5 5
Vietnam 7 7 7 6 6
Virgin Islands (U.S.) 5 5 5 5 5
West Bank and Gaza 7
Yemen, Rep. 13 13 12 12 12
Zambia 17 17 18 18 19
Zimbabwe 9 8 8 9 9

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