Country name 1980 1981 1982 1983 1984
Oman 0 0 0 0 0
Cambodia 0 0 0 0 0
Mozambique 0 0 0
Tanzania 0 0 0
Burkina Faso 0 0 0 1 1
Niger 0 0 0 0 1
Malawi 0 0 0 0 0
Ethiopia 1 0 0 1 1
Burundi 0 0 1 1
Uganda 1 1 1
Mali 1 1 1 1
Lao PDR 0 0 1 1 1
Mauritius 1 1 1 1 1
Lesotho 1 1 1 1 1
Central African Republic 1 1 1 1 1
Botswana 1 1 1 1 2
Congo, Dem. Rep. 1 1 1 1 1
Zambia 1 1 2 1
Ghana 2
Cameroon 2 2 2 2 2
Benin 1 1 2 2 2
Afghanistan 2
Togo 2 2 2 2 2
Zimbabwe 1 2 2 1 2
Luxembourg 1 3 2 3 3
Senegal 3 3 3 3 2
Nigeria 2 2 3 3 3
Cote d'Ivoire 2 3 3 2
Fiji 2 2 3 3
St. Lucia 2 2 3 3 3
Malta 3 3 3 3 4
Cyprus 2 3 3 3 3
Guyana 3 3 3 2 2
Guinea 4 3 3 3
United Arab Emirates 2 3 3 4 6
Madagascar 3 3 4 4 4
Nepal 4 4 3 4
Sri Lanka 3 4 4 4
Bangladesh 3 3 4 5 5
Indonesia 3 4 4 4 5
Equatorial Guinea 4
Trinidad and Tobago 4 4 4 4 4
Malaysia 4 4 4 5
Myanmar 5 5 5
India 5 5 5 6 6
Tunisia 5 5 5 5 5
Congo, Rep. 5 5 6 6 6
Turkey 7 6 6 6 7
Bahrain 3 5 6
Morocco 6 6 5 6
Suriname 6 7 7 7
Saudi Arabia 6 7 8 8 8
Libya 6 7 8 9
Grenada 6 8 4 4
Honduras 7 8 9 9 9
Paraguay 9 9 9 10 10
Iraq 9 9 10 10 10
Nicaragua 11 10 10 9
Hong Kong SAR, China 9 10 11 12
Colombia 9 10 11 11 11
Brazil 11 11 11 11
El Salvador 11 13 14
Qatar 9 10 12 15 15
Portugal 11 12 12 12 12
Chile 12 12 14 15
Kuwait 10 11 12 13 14
Romania 10 11 12 14 16
Mexico 13 13 14 15 15
Hungary 13 13 14 15 16
Bahamas, The 19 16 15 12 14
Bulgaria 17 16 16 15 16
Cuba 17 16 16 16 17
Syrian Arab Republic 14 16 16 16 16
Poland 18 18 17 16 17
Czech Republic 16 17 18 17 17
Greece 17 17 18 19 20
Egypt, Arab Rep. 16 17 18 18 19
Barbados 15 18 19
Slovenia 19 18 18 19
Switzerland 18 18 19 19 19
Thailand 10 8 19 21 22
United Kingdom 19 19 19 21 21
Ireland 17 18 19 21 21
Korea, Rep. 13 15 20 24 28
Jordan 15 17 20 21 22
Costa Rica 20 21 20 20 20
Peru 17 20 20 21 22
Venezuela, RB 20 20 20 21 22
Panama 20 21 21 20 23
Iceland 20 20 21 23 24
Austria 21 22 22 22 23
Uruguay 16 17 22 24
Micronesia, Fed. Sts. 20 31 22
Spain 23 23 23 24 25
Latvia 24 24 24 24
Argentina 22 23 24 25 29
Mongolia 26 26 25 25 25
Australia 25 26 26 26 27
Macedonia, FYR 26 26 25 24
Philippines 24 25 26 27 29
Belgium 25 24 26 27 28
Lebanon 32 30 26 27
Norway 25 25 26 28 29
France 25 25 27 27
New Zealand 27 27 28 28 32
Denmark 28 28 28 29 29
Netherlands 29 30 30 30 31
Japan 31 31 30 30 29
Sweden 36 31 31 32 32
Ecuador 34 35 33 31 31
Finland 32 32 33 33 31
Israel 31 31 34 34 35
Belarus 38 39 40 41 42
Ukraine 43 43 44 45
Russian Federation 45 46 47 48 50
United States 53 56 57 57 58
Solomon Islands
Isle of Man
Tajikistan 24
Iran, Islamic Rep.
Italy 27 27 25 25
Maldives
St. Martin (French part)
Haiti 1 1 1 1
Aruba
Guinea-Bissau
Marshall Islands
Singapore
Mauritania
Cayman Islands
Guatemala 6 7 7
Swaziland 3 3 5
Guam
Belize
Greenland
Armenia
Moldova 29
Vietnam 2 2
Monaco
Seychelles
Germany
Slovak Republic
Montenegro
South Africa
Georgia 30
St. Kitts and Nevis 1 1
Gambia, The
Sudan
Gabon 3 5 5
Bosnia and Herzegovina
Namibia
Bermuda 10 11
French Polynesia
Korea, Dem. Rep.
Macao SAR, China
Turks and Caicos Islands
New Caledonia
Antigua and Barbuda
Jamaica 7
Vanuatu
Lithuania 24
West Bank and Gaza
Liechtenstein
Serbia
Faeroe Islands
Sierra Leone 1 1
Northern Mariana Islands
Sint Maarten (Dutch part)
Liberia
Chad
Estonia 23
Somalia
Pakistan 2
South Sudan
Palau
Canada
Eritrea
Cabo Verde
Papua New Guinea 2 2 2
St. Vincent and the Grenadines 3
Kazakhstan 35
Brunei Darussalam 1 3
Dominican Republic
Kiribati
Dominica 1 1
Bolivia
Djibouti 0
Bhutan 1 1
Kenya 1 1 1 1
Timor-Leste
Puerto Rico
Tonga 7 6
Curacao
Azerbaijan 24
Croatia 19
Turkmenistan 22
Algeria
Tuvalu
Kosovo
Kyrgyz Republic
Andorra
Angola
Samoa 4 3
San Marino
Uzbekistan
Sao Tome and Principe
American Samoa
Comoros
Virgin Islands (U.S.)
China 1 2 2
Yemen, Rep.
Rwanda 0 0 0
Albania 5 6 7

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