Country name 1995 1996 1997 1998 1999
Burundi 4
Cambodia 5
Zambia 10
Yemen, Rep. 13 14
Vietnam 13 15 14 14
Georgia 14 14
Kyrgyz Republic 18 17 15 14
Indonesia 20 20 21 18 19
Pakistan 20 20 20 18 18
Philippines 17 19 19 19 18
Mongolia 20 20 20 19 18
Thailand 22 24 22 19 20
Honduras 22 19 19 21 21
Belize 22 20 20 21 19
Panama 21 21 22 22 22
Paraguay 23 23 22 22
St. Lucia 26 25 24 22 24
Guatemala 23
Sri Lanka 21 22 23
Cuba 27 27 27 24 22
El Salvador 27 25 25 24 25
Bahamas, The 22 22 22 24 27
Egypt, Arab Rep. 25 26 25 25
Jamaica 26 27 25 25 25
Costa Rica 25 25 26 25 26
Ecuador 27 26 27 26 29
Botswana 30 27
Mexico 25 25 24 27 28
Brazil 26 27 27 27 26
Puerto Rico 27 26 26 27 28
Peru 32 28 27 27 28
Dominican Republic 26 28 27 28 28
Turkey 27 28 29 28 28
Barbados 26 25 27 29 30
Hong Kong SAR, China 32 32 31 29 28
Greece 28 28 28 30 29
Luxembourg 35 32 33 30 31
Australia 32 31 31 30 30
Netherlands 32 31 31 31 30
Venezuela, RB 28 27 29 31 28
Macao SAR, China 30 26 25 31 28
Colombia 37 34 32 31 27
Chile 32 32 34 31 29
Morocco 32 33 32 31 32
Grenada 33 32
Canada 31 31 31 32 32
Suriname 30 33 31 32 22
Singapore 35 33 33 32 32
Uruguay 34 33 34
New Zealand 34 34 33 33 32
Latvia 33 32 33 33
United States 34 33 34 33 33
Malaysia 33 34 36 34 33
Iceland 34 33 35 34 33
Argentina 35 33 34 34 32
Korea, Rep. 40 39 38 34 33
Romania 37 37 36 34 33
Norway 35 34 35 34 34
Switzerland 38 36 35 35 35
Russian Federation 36 35 34
Lithuania 35 35 33
Mauritius 36 35 35 35 35
France 36 36 36 36 36
Israel 39 39 38 36 34
Croatia 36 37 36 38
Denmark 37 36 36 37 37
Trinidad and Tobago 33 33 34 37 36
Belgium 38 37 37 37 36
United Kingdom 38 38 38 38 37
Sweden 39 39 39 38 38
Japan 39 39 39 39 38
Ireland 38 37 38 39 38
Finland 38 38 39 39 39
Italy 40 39 39 39 39
Spain 39 38 39 40 40
West Bank and Gaza 31 38 41 42
Hungary 39 39 40 41 41
Poland 41 41 41 41 41
Estonia 41 42 42 42 41
Austria 43 43 42 42 43
Portugal 40 39 40 44 43
Germany 48 47 47 46 46
Slovenia 51 50 49 47 46
Slovak Republic 47 48 49 50 49
Czech Republic 51 50 50 50 49
San Marino 50 50 50 50 50
Aruba 26
Namibia 19
Iran, Islamic Rep. 30
Antigua and Barbuda
Iraq
Northern Mariana Islands 19
Guyana 24
Greenland
Isle of Man
Ghana 14
Fiji
Benin
Guinea-Bissau
Palau
Cayman Islands
Haiti 15
Guinea
Dominica 24 22
Jordan
Cote d'Ivoire
Kazakhstan 24
French Polynesia 19
Kenya
Bermuda
Kiribati
Niger
Korea, Dem. Rep.
Oman 8
Comoros
Central African Republic
Kuwait
Ethiopia
Cameroon
South Africa
Lao PDR 4
Armenia
Cabo Verde
St. Vincent and the Grenadines
Burkina Faso
Congo, Rep.
Afghanistan
Gabon
Liberia
Chad
Libya
Myanmar
Guam
Nepal 15
Congo, Dem. Rep.
New Caledonia 33
India
Nicaragua
Rwanda
Nigeria
Papua New Guinea
Curacao
Bahrain
Gambia, The
China
Belarus
Senegal
Bangladesh 11
Seychelles
Azerbaijan 14
Liechtenstein
Qatar 38
Eritrea
Bulgaria
Cyprus 30 31
Brunei Darussalam
Sao Tome and Principe
Samoa
Macedonia, FYR
Madagascar
Saudi Arabia 24
Malawi
Serbia
Equatorial Guinea
Sierra Leone
Maldives 17
Sint Maarten (Dutch part)
Solomon Islands
Mali
Malta
Somalia
Marshall Islands 16
South Sudan
Mauritania
Turkmenistan
St. Kitts and Nevis
Tuvalu
St. Martin (French part)
Ukraine
Sudan
Syrian Arab Republic 35 36 32
Swaziland
Tajikistan
Djibouti
Angola
Taiwan, China
Togo
Tanzania
Tunisia
Timor-Leste
Faeroe Islands
Tonga
Vanuatu
Albania
Andorra
Bosnia and Herzegovina
Turks and Caicos Islands
Micronesia, Fed. Sts.
Uganda
Moldova
United Arab Emirates 36
American Samoa
Monaco
Bolivia 39 39 40 26
Uzbekistan
Montenegro
Algeria
Bhutan
Virgin Islands (U.S.)
Mozambique
Lebanon
Lesotho 17 9
Zimbabwe 19

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