Country name 1991 1992 1993 1994 1995
China 3 3 3 3 3
India 6 6 6 6 6
Germany 6 6 6 6 6
Poland 7 7 7 7 7
Ukraine 7 7 7 7 8
Russian Federation 8 8 8 8 8
United States 8 8 8 8 8
Italy 9 9 9 9 9
Netherlands 9 9 9 9 9
Kazakhstan 12 12 12 12 13
Algeria 13 13 13 12 12
Brazil 13 13 13 13 13
South Sudan 14 13 14 14 15
Indonesia 14 13 13 12 12
Slovak Republic 15 15 15 14 14
Sweden 15 15 15 15 15
Spain 15 15 15 16 16
Czech Republic 16 16 16 16 15
Venezuela, RB 16 16 15 15 15
Romania 17 17 17 17 17
Nigeria 17 17 17 17 17
Belgium 18 18 18 17 17
United Kingdom 18 18 18 18 18
Canada 18 18 18 18 18
Sri Lanka 19 19 19 19 19
Saudi Arabia 19 20 20 20 20
Cameroon 20 20 20 20 20
Iran, Islamic Rep. 20 19 19 19 18
West Bank and Gaza 20 20 19 19 19
South Africa 20 20 21 21 21
Colombia 20 20 21 21 21
Switzerland 20 20 20 20 20
Turkey 21 21 21 21 21
Bulgaria 21 21 21 21 21
Korea, Dem. People’s Rep. 22 22 22 22 21
France 22 21 21 21 21
Pakistan 22 22 22 22 22
Morocco 22 22 22 21 21
Ghana 22 22 22 21 21
Finland 22 22 23 23 23
Norway 22 22 23 23 23
Vietnam 23 23 23 23 23
Lithuania 23 23 23 23 23
Mozambique 23 23 22 21 21
Denmark 24 24 24 24 24
Bosnia and Herzegovina 24 24 25 26 26
Nepal 24 23 23 22 22
Malaysia 24 24 25 25 26
Belarus 24 24 24 24 24
Zambia 24 25 25 26 26
Turkmenistan 25 25 25 25 25
Australia 25 25 25 25 25
Uzbekistan 25 25 25 24 24
Mexico 25 25 25 25 25
Libya 26 26 26 26 27
Yemen, Rep. 27 27 28 28 28
Philippines 27 27 27 28 28
Cuba 27 27 27 27 27
Syrian Arab Republic 27 27 27 26 26
Bolivia 28 27 28 28 28
Ecuador 28 28 28 27 27
Myanmar 28 28 28 28 28
Bahrain 28 28 27 27 27
Honduras 28 28 28 28 27
Benin 29 28 27 27 26
Croatia 29 29 28 28 27
Ethiopia 29 29 28 28 27
Hungary 29 29 29 28 28
Serbia 29 29 29 28 29
New Zealand 30 30 31 31 31
Austria 30 30 30 30 30
Tanzania 30 30 30 30 30
Oman 31 32 33 34 33
Tunisia 31 31 32 31 31
Papua New Guinea 32 32 33 33 34
Bangladesh 32 32 32 32 32
Korea, Rep. 33 32 31 30 29
Jordan 33 32 31 30 30
United Arab Emirates 33 34 34 35 35
Iraq 34 33 33 33 33
Malawi 34 34 34 34 34
Nicaragua 34 34 35 35 35
Japan 34 34 34 34 34
Congo, Dem. Rep. 34 34 34 35 35
Madagascar 35 35 34 34 34
Tajikistan 35 35 34 34 34
Zimbabwe 35 35 35 34 34
Thailand 35 35 35 34 34
Kenya 35 35 35 35 35
Namibia 35 35 36 36 36
Niger 36 37 37 37 37
Argentina 37 37 37 37 37
Moldova 38 37 37 37 37
Mali 38 38 37 37 37
El Salvador 38 38 37 36 35
Guatemala 38 38 37 37 37
Dominican Republic 38 38 38 37 37
Chad 38 38 38 38 39
Uganda 39 39 38 38 38
Macedonia, FYR 39 38 38 38 38
Kyrgyz Republic 39 39 40 42 42
Peru 39 39 39 39 39
Sudan 41 41 40 39 39
Egypt, Arab Rep. 41 42 43 44 45
Sierra Leone 42 43 44 45 46
Greece 42 41 41 41 41
Estonia 42 42 43 43 43
Chile 42 42 42 42 43
Lao PDR 42 42 41 40 40
Central African Republic 43 43 42 42 42
Cambodia 43 42 42 43 45
Togo 43 43 42 42 42
Cote d'Ivoire 44 43 43 43 43
Burkina Faso 44 44 44 44 44
Azerbaijan 45 45 44 44 44
Ireland 45 45 45 45 45
Georgia 46 45 44 45 46
Mongolia 47 47 48 50 51
Costa Rica 47 47 46 46 46
Jamaica 47 47 46 46 46
Israel 47 47 48 48 49
Senegal 48 48 48 49 49
Latvia 49 49 49 49 48
Mauritania 49 48 47 46 46
Angola 49 49 50 50 50
Armenia 50 50 51 53 54
Guinea 51 49 48 46 45
Lebanon 52 51 51 50 49
Portugal 53 52 52 51 51
Qatar 53 53 53 54 54
Paraguay 53 53 52 52 52
Congo, Rep. 54 54 54 54 54
Gabon 55 55 56 55 54
Haiti 56 55 55 56 56
Uruguay 56 55 55 55 54
Somalia 58 58 58 58 57
Rwanda 60 59 59 58 55
Guinea-Bissau 61 60 60 59 59
Panama 64 64 64 64 64
Gambia, The 65 65 65 64 62
Burundi 65 64 63 62 62
Afghanistan 68 65 62 60 58
Kuwait 70 68
Puerto Rico 71 71 71 70 70
Eritrea 72 72 72 72 71
Djibouti 74 73 73 73 73
Singapore 99 99 99 99 99
Macao SAR, China 100 100 100 100 100
Hong Kong SAR, China 100 100 100 100 100
Liberia 100 85 72 59 49
Suriname
Aruba
Luxembourg
Tonga
Kiribati
St. Lucia
Isle of Man
Lesotho
New Caledonia
Monaco
Guyana
Faroe Islands
Maldives
St. Vincent and the Grenadines
Samoa
Equatorial Guinea
San Marino
Iceland
Sao Tome and Principe
Liechtenstein
Malta
Vanuatu
Guam
Northern Mariana Islands
Grenada
St. Kitts and Nevis
Seychelles
St. Martin (French part)
Greenland
Palau
Cayman Islands
Swaziland
Curacao
Dominica
Timor-Leste
Cyprus
Tuvalu
Micronesia, Fed. Sts.
Botswana
Comoros
Bermuda
Trinidad and Tobago
Sint Maarten (Dutch part)
Cabo Verde
Antigua and Barbuda
Turks and Caicos Islands
American Samoa
Brunei Darussalam
Montenegro
Bhutan
Marshall Islands
Belize
Mauritius
Barbados
French Polynesia
Bahamas, The
Fiji
Virgin Islands (U.S.)
Slovenia
Andorra
Solomon Islands
Albania

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