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

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