Country name 1996 1997 1998 1999 2000
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
Netherlands 9 9 8 8 8
Russian Federation 9 9 9 9 9
Italy 9 9 9 9 9
Indonesia 11 11 10 10 9
Algeria 12 12 12 12 11
Brazil 12 12 12 12 12
Kazakhstan 13 13 13 14 14
Venezuela, RB 14 14 14 14 13
Slovak Republic 14 14 14 14 14
South Sudan 15 15 15 15 15
Czech Republic 15 15 15 15 15
Sweden 16 16 16 16 16
Spain 16 16 16 16 16
Romania 17 17 16 16 16
Nigeria 17 17 17 17 17
Belgium 18 18 18 18 18
Iran, Islamic Rep. 18 18 17 17 17
West Bank and Gaza 18 18 18 18 18
United Kingdom 18 18 18 19 19
Sri Lanka 19 19 18 18 18
Canada 18 19 19 19 19
Cameroon 20 20 20 20 21
Bulgaria 20 20 20 20 20
Switzerland 20 20 20 20 20
Mozambique 21 20 20 20 19
Saudi Arabia 21 21 21 21 21
Ghana 21 21 21 20 20
Morocco 21 21 21 20 20
Korea, Dem. People’s Rep. 21 21 21 21 20
Nepal 21 21 21 20 20
Colombia 21 21 21 22 22
France 21 21 21 21 21
Turkey 21 21 21 21 21
Pakistan 22 22 22 22 22
South Africa 22 22 22 22 22
Norway 23 23 23 23 23
Lithuania 23 23 23 23 23
Vietnam 23 23 23 23 23
Finland 23 23 23 24 24
Denmark 24 24 24 24 24
Uzbekistan 24 24 23 23 23
Belarus 24 24 24 24 24
Mexico 24 24 24 24 24
Australia 24 24 24 24 24
Turkmenistan 25 25 25 25 25
Benin 26 25 25 25 24
Bahrain 26 26 25 25 24
Ethiopia 26 26 25 25 24
Syrian Arab Republic 26 26 26 26 26
Libya 26 26 26 25 25
Bosnia and Herzegovina 26 26 26 26 25
Cuba 26 26 26 26 26
Malaysia 26 27 27 28 29
Honduras 27 27 27 27 26
Ecuador 27 27 27 27 27
Zambia 27 27 28 29 29
Philippines 28 27 27 27 27
Croatia 28 28 28 27 28
Bolivia 28 28 27 27 27
Hungary 28 28 27 27 27
Korea, Rep. 28 28 27 27 26
Myanmar 28 28 28 28 28
Jordan 29 28 28 27 27
Serbia 28 28 28 28 28
Yemen, Rep. 28 28 29 29 29
Austria 30 29 29 29 29
Tanzania 30 30 30 30 30
Tunisia 30 30 30 29 29
New Zealand 31 31 32 32 32
Bangladesh 33 33 33 33 33
Iraq 33 33 33 32 32
El Salvador 34 33 32 31 31
Madagascar 33 33 33 32 32
Zimbabwe 34 33 33 33 33
Thailand 34 33 33 33 32
Malawi 34 33 33 33 32
Oman 33 34 34 35 35
Nicaragua 34 34 33 33 32
Japan 34 34 34 34 35
Papua New Guinea 34 34 35 35 36
Tajikistan 34 34 35 35 34
Kenya 35 35 36 36 36
Congo, Dem. Rep. 35 36 36 36 36
Namibia 36 36 36 36 37
United Arab Emirates 36 36 37 37 37
Mali 37 37 37 36 36
Moldova 37 37 37 37 36
Guatemala 37 37 37 37 37
Argentina 37 37 37 37 38
Dominican Republic 37 38 38 38 38
Niger 38 38 38 38 38
Uganda 38 38 38 38 38
Sudan 39 38 38 38 38
Peru 39 38 38 38 39
Lao PDR 39 39 38 38 38
Chad 39 39 39 39 39
Macedonia, FYR 39 39 39 39 39
Togo 41 41 40 40 39
Greece 41 41 41 41 40
Central African Republic 42 41 41 41 41
Cote d'Ivoire 43 43 43 42 42
Estonia 43 43 43 42 41
Chile 43 43 43 43 43
Kyrgyz Republic 43 44 44 44 44
Burkina Faso 44 44 44 44 44
Mauritania 45 44 43 42 41
Azerbaijan 44 44 44 44 44
Jamaica 45 44 44 43 43
Guinea 45 44 44 45 45
Ireland 45 45 45 44 44
Costa Rica 45 45 45 45 45
Egypt, Arab Rep. 46 46 46 46 47
Georgia 46 47 47 47 47
Latvia 48 47 47 47 47
Sierra Leone 47 48 48 48 48
Rwanda 50 48 48 47 48
Israel 49 48 48 48 48
Lebanon 49 49 51 52 53
Cambodia 47 49 51 51 51
Portugal 50 50 49 48 48
Senegal 49 50 50 51 51
Paraguay 52 51 51 51 51
Angola 51 51 52 53 53
Gabon 53 52 51 51 50
Mongolia 52 53 54 55 56
Qatar 53 53 53 52 52
Uruguay 54 54 53 53 52
Somalia 56 54 53 51 49
Congo, Rep. 54 54 55 55 56
Armenia 54 55 55 56 56
Haiti 56 56 55 55 56
Afghanistan 57 57 58 58 57
Guinea-Bissau 58 58 58 57 57
Gambia, The 61 60 59 57 56
Burundi 61 61 60 60 59
Panama 64 64 64 64 65
Eritrea 70 69 70 71 72
Puerto Rico 70 69 70 70 70
Kuwait 71 71 70 69 69
Djibouti 73 73 73 73 73
Liberia 89 79 70 62 65
Singapore 97 96 95 97 97
Hong Kong SAR, China 98 99 100 100 100
Macao SAR, China 100 100 100 100 100
Suriname
Tuvalu
Iceland
Timor-Leste
Isle of Man
Antigua and Barbuda
Kiribati
Malta
Guam
Montenegro
Grenada
Monaco
Greenland
St. Vincent and the Grenadines
Samoa
Cyprus
San Marino
Cayman Islands
Sao Tome and Principe
Tonga
Northern Mariana Islands
Botswana
Lesotho
Palau
New Caledonia
Vanuatu
Seychelles
Guyana
French Polynesia
Maldives
Liechtenstein
Swaziland
American Samoa
Curacao
Micronesia, Fed. Sts.
Comoros
Slovenia
Marshall Islands
Solomon Islands
Cabo Verde
Luxembourg
Trinidad and Tobago
Faroe Islands
Brunei Darussalam
Bermuda
Turks and Caicos Islands
Barbados
Bhutan
Equatorial Guinea
Belize
Dominica
Bahamas, The
St. Kitts and Nevis
Aruba
St. Lucia
Mauritius
St. Martin (French part)
Virgin Islands (U.S.)
Sint Maarten (Dutch part)
Andorra
Fiji
Albania

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