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

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