Country name 1989 1990 1991 1992 1993
Japan 10 10 10 10 10
Italy 10 10 10 10 10
Greece 10 10 10 10 10
Spain 11 10 10 10 10
Slovenia 12 11 11 10 10
Germany 11 11 10 10 10
Croatia 12 12 11 10 11
Austria 12 12 12 12 12
Portugal 12 12 12 12 11
Hong Kong SAR, China 12 12 12 12 12
Bulgaria 13 12 11 10 10
Hungary 12 12 12 12 11
Denmark 12 12 13 13 13
Belgium 12 12 13 12 12
Switzerland 13 13 13 12 12
Czech Republic 12 13 13 12 12
Ukraine 13 13 12 11 11
Luxembourg 12 13 13 13 13
Finland 13 13 13 13 13
Liechtenstein 13 13 14 13 14
Netherlands 13 13 13 13 13
Russian Federation 15 13 12 11 9
France 14 13 13 13 13
Romania 16 14 12 11 11
Belarus 15 14 13 12 11
United Kingdom 14 14 14 14 13
Estonia 16 14 12 12 10
Latvia 15 14 13 12 10
Poland 15 14 14 14 13
Norway 14 14 14 14 14
Montenegro 15 14 14 14 14
Sweden 14 15 14 14 14
Bermuda 15 15 15 16 14
Bosnia and Herzegovina 16 15 14 14 13
Canada 15 15 15 15 14
Slovak Republic 15 15 15 14 14
Ireland 15 15 15 14 14
Malta 16 15 15 15 14
Korea, Rep. 15 15 16 17 16
Lithuania 15 15 15 15 13
Australia 15 15 15 15 15
Barbados 16 16 16 15 15
United States 16 17 16 16 15
Cuba 17 17 16 16 15
Georgia 17 17 16 16 15
New Zealand 18 18 17 17 17
Macedonia, FYR 18 18 17 17 16
Uruguay 18 18 18 18 18
Singapore 18 18 17 17 17
Puerto Rico 19 19 18 18 18
Moldova 20 19 18 16 15
Iceland 18 19 18 18 18
Antigua and Barbuda 19 19 19 19 19
Cyprus 19 19 19 18 18
Thailand 20 19 19 18 18
Macao SAR, China 20 19 18 17 15
Kuwait 21 19 18 18 18
Aruba 20 20 19 18 18
Sri Lanka 21 21 20 20 20
Trinidad and Tobago 22 21 20 19 18
Korea, Dem. Rep. 21 21 21 21 21
China 22 21 20 18 18
Mauritius 21 21 21 21 20
Virgin Islands (U.S.) 22 21 21 22 21
Palau 22 22 24 22
Armenia 22 22 21 20 18
Kazakhstan 23 22 21 20 19
Argentina 22 22 22 21 21
Israel 22 22 21 22 21
Greenland 22 23 22 22 21
Qatar 23 23 22 21 21
Guyana 23 23 23 23 23
Dominica 23 24
Chile 23 23 23 22 21
Suriname 24 23 23 23 23
Seychelles 24 24 23 23 22
Bahamas, The 24 24 24 23 23
Brazil 25 24 24 23 23
Lebanon 25 25 24 24 23
St. Vincent and the Grenadines 25 25 24 24 24
St. Martin (French part) 26 25 24 22 21
Jamaica 26 25 25 24 24
Tunisia 28 25 25 25 24
Albania 26 25 25 24 24
New Caledonia 25 26 25 24 24
Guam 26 26 25 25 24
Indonesia 27 26 25 25 24
United Arab Emirates 27 26 25 24 22
Azerbaijan 26 26 27 25 24
Turkey 27 26 25 25 24
Panama 27 26 26 26 25
Myanmar 28 27 26 25 25
Costa Rica 28 27 26 25 24
Colombia 28 27 27 26 26
Malaysia 28 28 28 28 27
Mexico 29 28 28 28 27
St. Lucia 29 28 27 27 26
French Polynesia 29 28 27 26 25
Grenada 30 28 27 26 24
Libya 30 29 28 27 26
Venezuela, RB 29 29 28 27 27
Vietnam 29 29 28 27 26
Fiji 29 29 29 28 28
Bahrain 30 29 28 27 26
South Africa 30 29 29 28 27
Kyrgyz Republic 30 29 29 29 26
Kosovo 29 30 28 23 23
Dominican Republic 30 30 29 29 28
Peru 30 30 29 29 28
Ecuador 31 30 29 29 28
Morocco 31 30 29 28 28
India 31 31 30 30 29
Egypt, Arab Rep. 32 31 30 29 28
Tonga 31 31 31 31 30
Brunei Darussalam 32 32 31 30 30
El Salvador 32 32 31 31 30
Mongolia 34 32 30 29 27
Algeria 34 32 31 29 28
Philippines 33 33 33 32 32
Samoa 34 33 33 32 32
Iran, Islamic Rep. 35 33 31 29 27
Paraguay 34 33 33 32 32
Uzbekistan 33 34 35 33 32
Micronesia, Fed. Sts. 35 34 34 33 33
Jordan 35 34 34 34 34
Botswana 36 35 34 33 32
Papua New Guinea 35 35 35 35 35
Bangladesh 36 35 34 33 32
Lesotho 36 35 35 34 34
Turkmenistan 36 35 34 33 32
Saudi Arabia 37 36 35 34 33
Syrian Arab Republic 37 36 35 34 33
Belize 36 36 35 35 34
Kiribati 36 36 36 35 35
Vanuatu 36 36 36 36 35
Bolivia 37 37 36 36 36
Nicaragua 37 37 36 36 35
Gabon 37 37 37 36 36
Zimbabwe 38 37 36 36 35
Sao Tome and Principe 38 37 37 36 36
Haiti 38 37 37 36 35
Iraq 38 38 37 37 37
Bhutan 39 38 37 36 35
Nepal 38 38 37 37 36
Comoros 39 38 37 37 37
Oman 40 38 36 34 32
Namibia 39 38 38 37 36
Congo, Rep. 39 38 38 38 38
Honduras 39 38 38 37 37
Cabo Verde 40 39 38 37 36
Ghana 39 39 38 38 37
Guatemala 39 39 39 39 39
Solomon Islands 40 40 40 39 39
Pakistan 41 40 40 39 38
Djibouti 41 40 40 39 38
Tajikistan 41 40 39 38 37
Mauritania 41 41 40 40 40
Central African Republic 41 41 41 40 40
Maldives 43 41 39 37 35
Cote d'Ivoire 42 41 41 41 40
Sudan 42 42 42 42 41
Kenya 43 42 41 40 39
Cambodia 44 42 41 39 37
Togo 43 43 42 42 41
Lao PDR 43 43 42 42 41
Timor-Leste 43 43 43 44 45
Swaziland 44 43 42 41 39
Mozambique 43 43 43 43 43
Senegal 44 44 43 43 42
Zambia 44 44 44 44 44
Tanzania 44 44 44 43 43
Nigeria 44 44 44 44 44
Sierra Leone 45 44 44 44 44
Eritrea 45 45 44 44 43
Cameroon 45 45 44 44 43
Guinea-Bissau 45 45 45 45 44
West Bank and Gaza 45 45 45 44
Madagascar 45 45 45 45 45
Liberia 46 45 45 44 44
Benin 47 46 46 46 45
Guinea 47 46 46 46 45
Equatorial Guinea 47 47 46 46 45
Burkina Faso 48 47 47 47 47
Gambia, The 48 47 47 47 47
Ethiopia 48 47 47 47 47
South Sudan 48 47 47 47 46
Rwanda 49 48 46 45 45
Mali 48 48 48 48 48
Congo, Dem. Rep. 48 48 49 49 49
Somalia 48 48 49 49 49
Uganda 50 50 50 50 50
Burundi 51 50 49 48 47
Malawi 51 50 49 49 48
Afghanistan 51 50 50 51 51
Chad 51 51 51 51 51
Yemen, Rep. 52 52 51 50 48
Angola 53 53 52 52 52
Niger 55 55 55 55 55
Northern Mariana Islands
San Marino
Turks and Caicos Islands
St. Kitts and Nevis 22 22
Tuvalu
Faeroe Islands
Monaco
Andorra
Sint Maarten (Dutch part)
American Samoa
Isle of Man 12 13 12
Serbia 12
Marshall Islands
Curacao
Cayman Islands

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