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

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