Country name 1985 1986 1987 1988 1989
Italy 10 10 10 10 10
Greece 12 11 11 11 10
Denmark 11 11 11 12 12
Spain 12 11 11 11 11
Japan 12 11 11 11 10
Germany 11 11 11 11 11
Austria 12 11 11 12 12
Luxembourg 11 12 11 12 12
Switzerland 12 12 12 12 13
Hungary 12 12 12 12 12
Belgium 12 12 12 12 12
Finland 13 12 12 13 13
Portugal 13 13 12 12 12
Croatia 13 13 13 12 12
Sweden 12 12 13 13 14
Hong Kong SAR, China 14 13 13 13 12
Netherlands 12 13 13 13 13
Czech Republic 13 13 13 13 12
Slovenia 13 13 13 13 12
Bulgaria 13 13 13 13 13
Norway 12 13 13 14 14
Liechtenstein 14 13 13 15 13
United Kingdom 13 13 14 14 14
France 14 14 14 14 14
Canada 15 15 14 15 15
Ukraine 15 16 15 14 13
Korea, Rep. 16 15 15 15 15
Malta 16 15 15 16 16
Australia 16 15 15 15 15
Montenegro 17 16 16 15 15
United States 16 16 16 16 16
Latvia 15 16 16 16 15
Slovak Republic 18 17 16 16 15
Belarus 17 17 16 16 15
Poland 18 17 16 16 15
Estonia 16 16 16 16 16
Lithuania 17 17 16 16 15
Ireland 18 17 17 16 15
Singapore 17 15 17 20 18
Barbados 17 17 17 16 16
Romania 16 17 17 17 16
New Zealand 16 16 17 17 18
Iceland 16 16 17 19 18
Bosnia and Herzegovina 18 18 17 16 16
Russian Federation 17 17 17 16 15
Cuba 17 17 17 17 17
Georgia 18 18 18 18 17
Uruguay 18 18 18 18 18
Antigua and Barbuda 19 19 19 19 19
Macedonia, FYR 20 19 19 19 18
Mauritius 19 19 19 20 21
Puerto Rico 19 19 20 19 19
Cyprus 20 20 20 20 19
Greenland 22 20 20 22 22
Thailand 22 21 21 20 20
Korea, Dem. Rep. 21 21 21 21 21
Aruba 22 21 21 21 20
Moldova 22 22 21 20 20
Macao SAR, China 22 22 22 21 20
Argentina 23 22 22 22 22
Virgin Islands (U.S.) 25 24 22 22 22
Sri Lanka 24 23 22 22 21
Guyana 23 23 23 23 23
Israel 24 23 23 23 22
Armenia 23 23 23 23 22
China 21 22 23 22 22
St. Kitts and Nevis 23 23 24 21 22
Dominica 24
Chile 24 24 24 24 23
New Caledonia 23 24 24 24 25
Trinidad and Tobago 27 26 24 23 22
Bahamas, The 26 25 25 24 24
Seychelles 27 26 25 25 24
St. Martin (French part) 25 24 25 26 26
Kazakhstan 25 26 26 25 23
Suriname 28 27 26 25 24
Qatar 29 28 26 25 23
Kuwait 31 29 26 24 21
St. Vincent and the Grenadines 27 27 26 26 25
Lebanon 27 27 26 26 25
Albania 27 27 27 26 26
Azerbaijan 27 28 27 26 26
Brazil 29 28 27 26 25
Guam 27 27 27 27 26
Jamaica 28 28 27 27 26
Panama 28 28 27 27 27
Indonesia 30 29 28 27 27
Colombia 29 29 28 28 28
Turkey 31 30 29 28 27
United Arab Emirates 30 29 29 28 27
Malaysia 29 29 29 29 28
Costa Rica 30 29 29 28 28
Mexico 30 30 29 29 29
Myanmar 32 31 30 29 28
Tunisia 32 31 30 29 28
French Polynesia 31 30 30 30 29
Vietnam 31 30 30 30 29
Fiji 31 31 30 30 29
Venezuela, RB 31 31 30 30 29
St. Lucia 32 31 30 30 29
Dominican Republic 32 32 31 31 30
South Africa 33 32 31 31 30
Peru 32 32 31 31 30
Ecuador 32 32 32 31 31
Bahrain 33 32 32 31 30
Grenada 33 32 32 31 30
Brunei Darussalam 32 32 32 32 32
Kosovo 32 32 32 31 29
Tonga 33 33 32 32 31
India 33 33 32 32 31
Libya 35 34 32 31 30
Kyrgyz Republic 32 33 33 32 30
Morocco 35 34 33 32 31
El Salvador 34 34 33 33 32
Egypt, Arab Rep. 36 35 34 33 32
Philippines 35 35 34 34 33
Samoa 35 35 34 34 34
Paraguay 36 36 35 35 34
Papua New Guinea 36 36 36 35 35
Jordan 37 37 36 35 35
Micronesia, Fed. Sts. 38 37 36 35 35
Mongolia 38 37 36 35 34
Turkmenistan 36 36 36 36 36
Algeria 39 38 36 35 34
Kiribati 37 37 37 37 36
Vanuatu 37 37 37 37 36
Lesotho 38 38 37 36 36
Uzbekistan 37 38 37 35 33
Bolivia 38 37 37 37 37
Belize 39 38 38 37 36
Gabon 38 38 38 38 37
Botswana 40 39 38 37 36
Bangladesh 40 39 38 37 36
Iraq 39 38 38 38 38
Sao Tome and Principe 40 39 39 38 38
Saudi Arabia 41 40 39 38 37
Syrian Arab Republic 41 40 39 38 37
Nicaragua 41 40 39 38 37
Marshall Islands 39
Iran, Islamic Rep. 42 41 39 37 35
Congo, Rep. 40 40 39 39 39
Namibia 40 40 39 39 39
Nepal 40 40 39 39 38
Haiti 41 41 40 39 38
Honduras 41 40 40 39 39
Guatemala 41 40 40 40 39
Zimbabwe 42 41 40 39 38
Ghana 41 41 40 40 39
Djibouti 40 40 40 41 41
Bhutan 42 41 41 40 39
Cabo Verde 41 41 41 40 40
Solomon Islands 42 41 41 41 40
Comoros 43 42 41 40 39
Mauritania 42 41 41 41 41
Central African Republic 42 42 42 42 41
Tajikistan 42 42 42 42 41
Pakistan 42 42 42 42 41
Sudan 43 43 42 42 42
Timor-Leste 44 43 43 43 43
Cote d'Ivoire 45 44 43 43 42
Lao PDR 43 43 43 43 43
Oman 46 45 44 42 40
Mozambique 45 44 44 44 43
Zambia 44 44 44 44 44
Togo 45 45 44 44 43
Madagascar 44 44 45 45 45
Nigeria 46 45 45 45 44
Tanzania 45 45 45 45 44
Senegal 46 45 45 44 44
Kenya 47 46 45 44 43
Eritrea 46 46 45 45 45
Sierra Leone 46 46 45 45 45
Guinea-Bissau 47 46 46 45 45
Cameroon 46 46 46 45 45
Maldives 48 47 46 45 43
Swaziland 47 47 46 45 44
Liberia 48 47 47 46 46
Benin 47 47 47 47 47
Cambodia 49 48 47 46 44
Equatorial Guinea 45 46 47 47 47
Guinea 47 47 47 47 47
Somalia 47 47 47 48 48
Congo, Dem. Rep. 47 48 48 48 48
South Sudan 48 48 48 48 48
Burkina Faso 48 48 48 48 48
Mali 48 48 48 48 48
Gambia, The 49 49 48 48 48
Ethiopia 49 49 48 48 48
Uganda 49 50 50 50 50
Chad 50 50 51 51 51
Afghanistan 51 51 51 51 51
Rwanda 52 52 51 50 49
Burundi 52 52 51 51 51
Malawi 53 53 52 52 51
Angola 53 53 53 53 53
Yemen, Rep. 55 55 54 53 52
Niger 55 55 55 55 55
Palau
Serbia
Bermuda 15
Curacao
Tuvalu
Turks and Caicos Islands
Cayman Islands
Isle of Man 11 12 12
Northern Mariana Islands
Sint Maarten (Dutch part)
Monaco
San Marino
West Bank and Gaza
Andorra
Faeroe Islands
American Samoa

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