Country name 1980 1981 1982 1983 1984
Germany 11 11 11 11 10
Denmark 11 10 10 10 10
Italy 11 11 11 11 10
Luxembourg 11 12 12 11 12
Switzerland 12 11 11 11 12
Isle of Man 12
Sweden 12 11 11 11 11
Austria 12 12 13 12 12
Norway 12 12 12 12 12
Belgium 13 13 12 12 12
Netherlands 13 13 12 12 12
Finland 13 13 14 14 13
United Kingdom 13 13 13 13 13
Japan 14 13 13 13 13
Hungary 14 13 13 12 12
France 14 14 14 14 14
Latvia 14 14 15 16 16
Bulgaria 15 14 14 14 14
Croatia 15 15 14 14 14
Bermuda 15 15
Czech Republic 15 14 14 13 13
Macao SAR, China 15 17 19 20 21
Estonia 15 15 15 16 16
Ukraine 15 15 15 16 16
Lithuania 15 15 15 17 16
Australia 15 16 16 16 15
Spain 15 14 14 13 12
Canada 15 15 15 15 15
Greece 15 15 14 14 13
Liechtenstein 15 14 15 13 15
Slovenia 16 15 15 14 14
Russian Federation 16 16 17 18 17
United States 16 16 16 16 16
Cuba 16 16 16 17 17
New Zealand 16 16 16 16 16
Portugal 16 15 15 15 14
Belarus 16 16 16 18 17
Hong Kong SAR, China 17 17 16 16 14
Singapore 17 17 17 16 17
Barbados 18 18 17 17 17
Malta 18 17 18 17 17
Romania 18 17 15 14 16
China 18 21 22 20 20
Montenegro 18 18 18 17 17
Georgia 19 19 19 18 18
Antigua and Barbuda 19 19 19 19 19
Bosnia and Herzegovina 19 19 18 18 18
Slovak Republic 19 19 18 18 18
Uruguay 19 19 19 18 18
Poland 20 19 20 20 19
Korea, Dem. Rep. 20 20 21 21 21
Cyprus 20 20 20 20 20
Iceland 20 19 19 18 17
Greenland 21 21 20 19 20
Moldova 21 21 22 22 22
Macedonia, FYR 22 21 21 21 20
Ireland 22 21 20 19 18
Armenia 22 23 23 23 23
Aruba 22 22 22 22 22
Korea, Rep. 23 22 22 19 17
Puerto Rico 23 22 21 20 19
Chile 23 23 23 23 24
Kazakhstan 24 24 24 25 26
Israel 24 24 24 24 24
Argentina 25 24 24 23 23
Dominica 25 23 23 24 21
Azerbaijan 25 26 25 26 27
Virgin Islands (U.S.) 26 25 25 25 25
Bahamas, The 26 26 27 27 26
New Caledonia 26 28 27 25 24
Thailand 27 26 25 24 23
St. Kitts and Nevis 27 26 29 24 25
Sri Lanka 27 27 26 25 25
Mauritius 27 26 23 21 20
Guam 28 28 28 27 27
Trinidad and Tobago 29 29 29 28 28
Seychelles 29 28 24 26 27
Jamaica 29 29 29 29 28
Albania 29 29 28 28 28
Malaysia 29 29 29 29 29
Guyana 30 28 26 25 24
Kyrgyz Republic 30 31 31 31 32
United Arab Emirates 30 30 30 30 30
Lebanon 30 29 29 29 28
Suriname 30 30 30 29 29
Costa Rica 30 30 30 30 30
St. Vincent and the Grenadines 31 30 29 29 28
Panama 31 30 30 29 29
French Polynesia 31 31 31 31 31
Grenada 31 32 32 33 33
Colombia 32 31 31 30 30
Brazil 32 32 31 30 30
Vietnam 32 32 32 31 31
Bahrain 33 33 33 33 33
Venezuela, RB 33 33 32 32 32
Brunei Darussalam 33 33 32 32 32
Indonesia 33 33 32 31 30
Fiji 34 33 33 33 32
Mexico 34 33 32 31 31
Uzbekistan 34 35 35 35 36
Dominican Republic 34 34 33 33 33
Tonga 35 35 35 34 34
Turkmenistan 35 35 35 36 36
Ecuador 35 34 34 33 33
South Africa 35 35 34 34 33
India 35 35 34 34 34
Qatar 35 34 33 32 31
Turkey 35 34 34 33 32
St. Lucia 36 35 34 33 32
Peru 36 35 34 34 33
Myanmar 36 35 35 34 33
Tunisia 36 35 35 34 33
Philippines 37 36 36 36 35
Equatorial Guinea 37 38 40 42 44
Paraguay 37 37 37 37 37
Kiribati 37 37 37 37 37
Samoa 37 37 36 36 36
Egypt, Arab Rep. 38 37 37 37 36
Gabon 38 38 38 38 38
El Salvador 38 37 36 36 35
Timor-Leste 38 40 42 43 44
Morocco 39 38 38 37 36
Mongolia 39 39 38 38 38
Micronesia, Fed. Sts. 39 39 39 39 38
Kuwait 39 38 37 35 33
Vanuatu 39 39 38 38 38
Tajikistan 39 40 40 41 42
Papua New Guinea 39 39 38 38 37
Bolivia 40 39 39 38 38
Iraq 40 40 39 39 39
Djibouti 41 40 40 40 40
Nepal 41 41 41 40 40
Sao Tome and Principe 41 41 41 40 40
Lesotho 41 41 40 39 39
Jordan 41 40 40 39 38
Belize 41 41 40 40 39
Libya 41 40 39 38 37
Cabo Verde 42 42 42 42 42
Haiti 42 42 42 42 42
Congo, Rep. 42 42 41 41 40
Central African Republic 42 42 42 42 42
Pakistan 42 42 42 42 42
Namibia 43 42 42 41 41
Lao PDR 43 43 43 43 43
Guatemala 43 43 42 42 41
Mauritania 43 43 42 42 42
Bangladesh 43 43 42 41 40
Ghana 43 43 42 42 42
Saudi Arabia 43 43 43 42 41
Honduras 43 43 43 42 41
Algeria 44 43 42 41 40
Botswana 44 44 43 42 41
Solomon Islands 44 44 43 42 42
Iran, Islamic Rep. 44 44 44 44 43
Nicaragua 44 44 43 42 41
Bhutan 44 44 43 43 42
Syrian Arab Republic 44 44 43 42 42
Cambodia 44 46 48 49 49
Madagascar 45 44 43 43 43
Sudan 45 45 44 44 43
Maldives 46 46 47 48 48
Somalia 46 46 46 46 46
Cameroon 46 46 46 46 46
Guinea-Bissau 46 46 47 47 47
Comoros 46 46 46 45 45
Eritrea 46 46 46 46 46
Zambia 46 46 45 45 45
Mozambique 47 46 46 46 45
Congo, Dem. Rep. 47 47 47 47 47
Zimbabwe 47 46 45 44 43
Tanzania 47 46 46 46 46
Nigeria 47 47 46 46 46
Togo 47 47 46 46 46
Benin 47 47 47 47 47
Guinea 47 47 47 47 47
South Sudan 48 48 48 48 48
Swaziland 48 48 48 48 48
Cote d'Ivoire 48 48 47 46 45
Sierra Leone 48 48 48 47 47
Senegal 48 48 47 47 46
Liberia 49 49 49 48 48
Mali 49 49 49 49 49
Ethiopia 49 49 49 49 49
Uganda 49 49 49 49 49
Burkina Faso 49 49 49 49 49
Kenya 49 49 49 48 48
Oman 50 49 49 48 47
Chad 50 50 50 50 50
Burundi 51 51 51 51 52
Gambia, The 51 51 50 50 49
Afghanistan 52 51 51 51 51
Angola 53 53 53 53 53
Rwanda 54 54 53 53 53
Malawi 55 54 54 54 54
Niger 55 55 55 55 55
Yemen, Rep. 56 56 56 56 56
Andorra
Monaco
Sint Maarten (Dutch part)
St. Martin (French part) 21 23 24
Cayman Islands
Faeroe Islands
Palau
American Samoa
Curacao
Marshall Islands
San Marino
Kosovo 31 33 31 34
Northern Mariana Islands
West Bank and Gaza
Turks and Caicos Islands
Tuvalu
Serbia

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