Country name 1990 1991 1992 1993 1994
Italy 10 10 10 10 9
Japan 10 10 10 10 10
Greece 10 10 10 10 10
Spain 10 10 10 10 9
Germany 11 10 10 10 10
Slovenia 11 11 10 10 10
Croatia 12 11 10 11 10
Bulgaria 12 11 10 10 9
Portugal 12 12 12 11 11
Serbia 12
Hong Kong SAR, China 12 12 12 12 12
Romania 14 12 11 11 11
Russian Federation 13 12 11 9 10
Ukraine 13 12 11 11 10
Austria 12 12 12 12 12
Hungary 12 12 12 11 11
Estonia 14 12 12 10 10
Denmark 12 13 13 13 13
Czech Republic 13 13 12 12 10
Belgium 12 13 12 12 12
Switzerland 13 13 12 12 12
Isle of Man 13 12 14
Luxembourg 13 13 13 13 14
Belarus 14 13 12 11 11
Finland 13 13 13 13 13
Latvia 14 13 12 10 10
Netherlands 13 13 13 13 13
France 13 13 13 13 13
United Kingdom 14 14 14 13 13
Montenegro 14 14 14 14 14
Liechtenstein 13 14 13 14 12
Bosnia and Herzegovina 15 14 14 13 13
Norway 14 14 14 14 14
Poland 14 14 14 13 13
Sweden 15 14 14 14 13
Slovak Republic 15 15 14 14 12
Malta 15 15 15 14 13
Ireland 15 15 14 14 13
Canada 15 15 15 14 13
Australia 15 15 15 15 15
Lithuania 15 15 15 13 12
Bermuda 15 15 16 14 15
Barbados 16 16 15 15 15
United States 17 16 16 15 15
Cuba 17 16 16 15 15
Georgia 17 16 16 15 15
Korea, Rep. 15 16 17 16 16
Singapore 18 17 17 17 16
New Zealand 18 17 17 17 16
Macedonia, FYR 18 17 17 16 16
Moldova 19 18 16 15 15
Iceland 19 18 18 18 17
Macao SAR, China 19 18 17 15 14
Puerto Rico 19 18 18 18 18
Uruguay 18 18 18 18 18
Kuwait 19 18 18 18 19
Cyprus 19 19 18 18 17
Thailand 19 19 18 18 17
Antigua and Barbuda 19 19 19 19 20
Aruba 20 19 18 18 17
Trinidad and Tobago 21 20 19 18 17
China 21 20 18 18 18
Sri Lanka 21 20 20 20 19
Armenia 22 21 20 18 17
Mauritius 21 21 21 20 20
Korea, Dem. Rep. 21 21 21 21 20
Kazakhstan 22 21 20 19 18
Virgin Islands (U.S.) 21 21 22 21 20
Israel 22 21 22 21 21
Greenland 23 22 22 21 21
Argentina 22 22 21 21 21
Qatar 23 22 21 21 21
Palau 22 22 24 22 22
Chile 23 23 22 21 21
Guyana 23 23 23 23 23
Suriname 23 23 23 23 23
Seychelles 24 23 23 22 22
Brazil 24 24 23 23 22
Bahamas, The 24 24 23 23 23
St. Martin (French part) 25 24 22 21 20
Lebanon 25 24 24 23 23
St. Vincent and the Grenadines 25 24 24 24 23
Albania 25 25 24 24 23
United Arab Emirates 26 25 24 22 21
New Caledonia 26 25 24 24 23
Tunisia 25 25 25 24 23
Guam 26 25 25 24 24
Jamaica 25 25 24 24 24
Indonesia 26 25 25 24 23
Turkey 26 25 25 24 24
Panama 26 26 26 25 25
Myanmar 27 26 25 25 24
Costa Rica 27 26 25 24 24
Azerbaijan 26 27 25 24 21
Colombia 27 27 26 26 26
Grenada 28 27 26 24 23
French Polynesia 28 27 26 25 24
St. Lucia 28 27 27 26 25
Kosovo 30 28 23 23 22
Libya 29 28 27 26 25
Mexico 28 28 28 27 27
Vietnam 29 28 27 26 24
Malaysia 28 28 28 27 27
Venezuela, RB 29 28 27 27 26
Bahrain 29 28 27 26 25
South Africa 29 29 28 27 26
Fiji 29 29 28 28 27
Kyrgyz Republic 29 29 29 26 25
Morocco 30 29 28 28 27
Peru 30 29 29 28 27
Dominican Republic 30 29 29 28 28
Ecuador 30 29 29 28 28
Egypt, Arab Rep. 31 30 29 28 27
India 31 30 30 29 28
Mongolia 32 30 29 27 25
Algeria 32 31 29 28 26
Tonga 31 31 31 30 30
Brunei Darussalam 32 31 30 30 29
Iran, Islamic Rep. 33 31 29 27 25
El Salvador 32 31 31 30 30
Philippines 33 33 32 32 31
Samoa 33 33 32 32 32
Paraguay 33 33 32 32 31
Micronesia, Fed. Sts. 34 34 33 33 32
Botswana 35 34 33 32 31
Jordan 34 34 34 34 33
Bangladesh 35 34 33 32 32
Turkmenistan 35 34 33 32 30
Uzbekistan 34 35 33 32 29
Saudi Arabia 36 35 34 33 32
Lesotho 35 35 34 34 34
Syrian Arab Republic 36 35 34 33 33
Papua New Guinea 35 35 35 35 36
Belize 36 35 35 34 33
Kiribati 36 36 35 35 34
Vanuatu 36 36 36 35 35
Oman 38 36 34 32 31
Nicaragua 37 36 36 35 34
Zimbabwe 37 36 36 35 34
Bolivia 37 36 36 36 35
Haiti 37 37 36 35 35
Bhutan 38 37 36 35 34
Gabon 37 37 36 36 36
Sao Tome and Principe 37 37 36 36 36
Nepal 38 37 37 36 36
Comoros 38 37 37 37 37
Iraq 38 37 37 37 37
Namibia 38 38 37 36 36
Honduras 38 38 37 37 36
Cabo Verde 39 38 37 36 35
Congo, Rep. 38 38 38 38 38
Ghana 39 38 38 37 37
Guatemala 39 39 39 39 38
Maldives 41 39 37 35 34
Tajikistan 40 39 38 37 36
Solomon Islands 40 40 39 39 38
Pakistan 40 40 39 38 37
Djibouti 40 40 39 38 37
Mauritania 41 40 40 40 40
Cambodia 42 41 39 37 35
Central African Republic 41 41 40 40 40
Cote d'Ivoire 41 41 41 40 40
Kenya 42 41 40 39 39
Sudan 42 42 42 41 41
Swaziland 43 42 41 39 38
Togo 43 42 42 41 41
Lao PDR 43 42 42 41 40
Senegal 44 43 43 42 42
Mozambique 43 43 43 43 43
Timor-Leste 43 43 44 45 45
Tanzania 44 44 43 43 43
Nigeria 44 44 44 44 43
Zambia 44 44 44 44 45
Sierra Leone 44 44 44 44 44
Eritrea 45 44 44 43 42
Cameroon 45 44 44 43 43
Guinea-Bissau 45 45 45 44 44
West Bank and Gaza 45 45 45 44 44
Liberia 45 45 44 44 44
Madagascar 45 45 45 45 44
Benin 46 46 46 45 45
Guinea 46 46 46 45 45
Equatorial Guinea 47 46 46 45 44
Rwanda 48 46 45 45 44
South Sudan 47 47 47 46 46
Ethiopia 47 47 47 47 46
Gambia, The 47 47 47 47 47
Burkina Faso 47 47 47 47 47
Mali 48 48 48 48 48
Congo, Dem. Rep. 48 49 49 49 49
Somalia 48 49 49 49 50
Burundi 50 49 48 47 46
Malawi 50 49 49 48 48
Uganda 50 50 50 50 50
Afghanistan 50 50 51 51 51
Yemen, Rep. 52 51 50 48 47
Chad 51 51 51 51 51
Angola 53 52 52 52 52
Niger 55 55 55 55 55
St. Kitts and Nevis 22
Curacao
Dominica 23 24 22
Turks and Caicos Islands
Tuvalu
Northern Mariana Islands
Faeroe Islands
San Marino
Monaco
Andorra
Cayman Islands
American Samoa
Sint Maarten (Dutch part)
Marshall Islands

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