Country name 1995 1996 1997 1998 1999
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 8 8 8 8 8
United States 8 8 8 8 8
Russian Federation 8 9 9 9 9
Netherlands 9 9 9 8 8
Italy 9 9 9 9 9
Indonesia 12 11 11 10 10
Algeria 12 12 12 12 11
Brazil 13 13 12 12 12
Kazakhstan 13 13 13 13 14
Slovak Republic 14 14 14 14 14
Venezuela, RB 15 14 14 14 14
South Sudan 15 15 15 15 15
Czech Republic 15 15 15 15 15
Sweden 15 16 16 16 16
Spain 16 16 16 16 16
Romania 17 17 17 16 16
Nigeria 17 17 17 17 17
Belgium 17 18 18 18 18
Iran, Islamic Rep. 18 18 18 17 17
West Bank and Gaza 19 18 18 18 18
United Kingdom 18 18 18 18 19
Canada 18 18 19 19 19
Sri Lanka 19 19 19 18 18
Cameroon 20 20 20 20 20
Switzerland 20 20 20 20 20
Bulgaria 21 20 20 20 20
Mozambique 21 21 20 20 20
Ghana 21 21 21 21 20
Pakistan 21 21 21 21 21
Saudi Arabia 21 21 21 22 22
Morocco 21 21 21 21 21
Korea, Dem. Rep. 21 21 21 21 21
Turkey 21 21 21 21 21
France 21 21 21 21 21
Colombia 21 21 22 22 22
South Africa 21 22 22 22 22
Nepal 23 22 22 21 21
Norway 23 23 23 23 23
Lithuania 23 23 23 23 23
Vietnam 23 23 23 23 23
Finland 23 23 23 23 24
Denmark 24 24 24 24 24
Belarus 24 24 24 24 24
Uzbekistan 24 24 24 23 23
Mexico 24 24 24 24 24
Australia 25 24 24 24 24
Turkmenistan 25 25 25 25 25
Benin 26 26 25 25 25
Syrian Arab Republic 26 26 26 26 26
Malaysia 26 26 27 27 28
Bahrain 27 26 26 25 25
Cuba 26 26 26 26 26
Ethiopia 27 27 26 25 25
Libya 27 27 27 26 26
Honduras 27 27 27 27 27
Ecuador 28 28 28 28 27
Bolivia 28 28 27 27 27
Myanmar 28 28 28 27 27
Philippines 28 28 27 27 27
Hungary 28 28 28 27 27
Serbia 28 28 28 28 28
Zambia 27 28 29 29 30
Croatia 27 28 28 28 27
Korea, Rep. 29 28 28 27 27
Bosnia and Herzegovina 29 29 28 27 26
Yemen, Rep. 29 29 29 29 29
Jordan 30 29 28 27 27
Austria 30 30 29 29 29
Tanzania 30 30 30 30 30
Tunisia 31 30 30 30 29
New Zealand 31 31 31 32 32
Bangladesh 32 32 32 33 33
Iraq 33 33 32 32 32
El Salvador 34 33 32 31 31
Madagascar 34 33 33 33 32
Malawi 34 33 33 32 32
Zimbabwe 34 34 33 33 33
Thailand 34 34 34 33 33
Nicaragua 35 34 33 33 32
Papua New Guinea 34 34 34 35 35
Oman 34 34 35 35 36
Japan 34 34 34 34 34
Tajikistan 34 34 34 35 35
Kenya 35 35 35 36 36
Congo, Dem. Rep. 35 35 36 37 37
United Arab Emirates 35 36 36 36 37
Namibia 36 36 36 36 36
Moldova 37 37 37 37 37
Dominican Republic 37 37 37 37 37
Argentina 37 37 37 37 38
Uganda 38 38 38 38 37
Macedonia, FYR 38 38 38 38 38
Niger 38 38 39 39 39
Guatemala 38 38 39 39 39
Peru 39 39 39 38 38
Chad 39 39 39 39 39
Sudan 39 39 39 39 39
Lao PDR 40 39 39 38 38
Mali 40 40 39 39 39
Greece 41 40 40 40 40
Togo 42 41 41 40 40
Chile 42 42 42 42 42
Central African Republic 43 42 42 42 42
Estonia 43 43 43 43 42
Kyrgyz Republic 42 43 44 44 44
Cote d'Ivoire 43 43 43 43 43
Burkina Faso 44 44 44 44 44
Azerbaijan 44 44 44 44 44
Mauritania 46 45 44 43 42
Guinea 45 45 45 45 45
Jamaica 46 45 44 44 43
Ireland 45 45 45 45 44
Costa Rica 46 46 45 45 45
Sierra Leone 45 46 47 47 47
Georgia 46 46 47 47 47
Egypt, Arab Rep. 46 47 47 48 48
Cambodia 45 47 49 51 51
Latvia 48 48 47 47 47
Israel 49 49 48 48 48
Lebanon 49 49 49 51 52
Senegal 49 49 50 50 51
Portugal 51 50 50 49 48
Paraguay 51 51 51 51 51
Rwanda 57 52 48 47 46
Mongolia 51 52 53 54 55
Gabon 54 53 52 52 51
Qatar 54 53 53 52 52
Congo, Rep. 54 54 54 55 55
Uruguay 54 54 54 53 53
Armenia 54 54 55 55 56
Afghanistan 56 55 54 55 55
Angola 54 55 56 56 57
Somalia 57 56 54 53 51
Haiti 56 56 56 55 55
Guinea-Bissau 61 60 60 60 59
Gambia, The 62 61 60 59 57
Burundi 62 62 61 61 61
Panama 63 64 64 64 64
Eritrea 66 65 63 64 65
Puerto Rico 70 70 69 70 70
Djibouti 73 73 73 73 73
Kuwait 70 73 73 72 70
Liberia 49 89 79 70 62
Singapore 99 97 96 95 97
Hong Kong SAR, China 100 98 99 100 100
Macao SAR, China 100 100 100 100 100
Suriname
Iceland
Bermuda
Isle of Man
Timor-Leste
Kiribati
Antigua and Barbuda
Northern Mariana Islands
Curacao
Guam
Monaco
Grenada
Marshall Islands
Kosovo
St. Vincent and the Grenadines
Samoa
Malta
San Marino
Comoros
Sao Tome and Principe
Tonga
Greenland
Guyana
Lesotho
Barbados
New Caledonia
Vanuatu
Seychelles
Palau
Liechtenstein
Dominica
Luxembourg
Swaziland
American Samoa
Cyprus
Mauritius
Montenegro
Slovenia
Cayman Islands
Solomon Islands
Cabo Verde
Botswana
Trinidad and Tobago
Tuvalu
Brunei Darussalam
Fiji
Turks and Caicos Islands
Faeroe Islands
Bhutan
Maldives
Belize
Equatorial Guinea
Bahamas, The
St. Kitts and Nevis
Aruba
St. Lucia
Micronesia, Fed. Sts.
St. Martin (French part)
Virgin Islands (U.S.)
Sint Maarten (Dutch part)
Andorra
French Polynesia
Albania

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