Country name 2004 2005 2006 2007 2008
China 3 3 3 3 3
Germany 6 6 6 6 6
India 6 6 6 6 6
Poland 7 7 7 7 7
Netherlands 8 8 8 7 7
United States 8 8 8 8 7
Ukraine 8 8 8 9 9
Indonesia 9 9 9 8 8
Italy 9 9 9 9 9
Russian Federation 10 10 10 11 11
Algeria 11 11 10 10 10
Brazil 12 12 12 12 12
Venezuela, RB 12 12 12 12 12
Slovak Republic 14 14 14 14 14
South Sudan 15 15 15 15 15
Kazakhstan 15 15 16 16 16
Spain 16 16 16 16 16
Czech Republic 16 16 16 16 16
Iran, Islamic Rep. 16 16 16 16 16
Nigeria 16 16 16 16 16
Sweden 16 16 16 17 17
Romania 17 17 17 17 17
Mozambique 17 17 17 16 16
Ghana 19 18 18 18 17
Belgium 18 18 18 18 18
Sri Lanka 18 18 18 18 18
West Bank and Gaza 19 19 19 19 19
United Kingdom 19 19 19 19 19
Canada 19 19 20 20 20
Korea, Dem. Rep. 20 20 20 19 19
Morocco 20 20 20 19 19
Benin 21 20 20 19 18
Nepal 21 21 21 21 21
Switzerland 21 21 21 21 21
France 21 21 21 21 21
Saudi Arabia 21 21 21 22 22
Cameroon 21 21 21 22 22
Bulgaria 21 21 22 22 22
Pakistan 22 22 22 22 22
Ethiopia 22 22 22 21 21
Uzbekistan 23 23 22 22 22
Mexico 23 23 23 22 22
Norway 23 23 23 23 23
Turkey 23 23 23 24 24
Colombia 23 23 23 24 24
Vietnam 23 23 23 23 23
Bosnia and Herzegovina 24 23 23 23 23
Australia 24 24 23 23 23
South Africa 23 24 24 24 25
Lithuania 24 24 24 25 25
Jordan 25 24 24 23 23
Denmark 24 24 24 24 25
Finland 24 25 25 25 25
Libya 25 25 24 24 24
Korea, Rep. 25 25 25 25 25
Belarus 25 25 26 26 26
Bolivia 26 25 25 25 25
Cuba 26 25 25 25 25
Bahrain 25 26 25 25 25
Honduras 26 26 26 25 25
Hungary 26 26 26 26 26
Turkmenistan 26 26 27 27 27
Syrian Arab Republic 27 27 26 26 26
Ecuador 27 27 27 27 27
Myanmar 27 27 27 27 27
Philippines 27 27 27 28 28
Croatia 28 28 27 27 27
Serbia 28 28 28 28 28
Tunisia 28 28 28 28 28
Iraq 30 28 27 26 28
Malaysia 29 29 29 29 29
El Salvador 29 29 28 28 28
Thailand 30 29 29 29 28
Madagascar 30 30 30 30 30
Nicaragua 30 30 29 29 29
Yemen, Rep. 30 30 30 31 31
Austria 30 30 30 31 31
Tanzania 30 30 30 30 31
Malawi 31 31 31 31 31
Bangladesh 32 32 32 32 32
Zambia 32 32 33 33 33
Japan 33 32 32 32 32
New Zealand 33 33 34 34 34
Zimbabwe 33 33 34 34 34
Oman 34 34 34 35 35
Kenya 35 35 34 34 34
Tajikistan 35 35 35 35 35
Papua New Guinea 35 35 35 35 35
Uganda 36 35 35 34 33
Namibia 36 36 36 36 35
Dominican Republic 37 37 36 36 36
Lao PDR 37 37 36 36 36
Moldova 36 37 38 39 40
Niger 38 37 36 36 35
Togo 38 37 37 36 36
United Arab Emirates 40 37 34 30 27
Congo, Dem. Rep. 37 37 38 38 38
Costa Rica 39 38 37 36 35
Greece 39 38 38 37 37
Guatemala 39 38 38 38 37
Argentina 38 38 38 38 39
Sudan 39 38 38 38 38
Mali 39 39 39 39 39
Peru 39 39 39 39 39
Chad 39 39 39 39 40
Macedonia, FYR 39 39 40 40 40
Mauritania 40 40 40 40 40
Ireland 42 41 40 40 39
Sierra Leone 42 42 41 41 41
Jamaica 42 42 41 41 41
Chile 42 42 42 42 42
Azerbaijan 43 42 42 42 42
Estonia 42 43 43 43 43
Central African Republic 43 43 43 43 43
Cote d'Ivoire 43 44 44 44 44
Kyrgyz Republic 44 44 44 44 44
Portugal 46 45 45 45 44
Guinea 45 45 45 45 45
Burkina Faso 46 46 46 47 47
Qatar 50 47 42 38 34
Latvia 47 47 47 46 46
Rwanda 48 47 46 44 43
Somalia 47 48 48 34 36
Israel 48 48 48 48 48
Georgia 48 48 48 48 48
Gabon 49 49 48 48 48
Egypt, Arab Rep. 49 49 49 50 50
Gambia, The 52 51 50 49 48
Cambodia 51 51 52 52 52
Lebanon 52 51 51 52 52
Paraguay 51 52 52 53 53
Uruguay 52 52 52 52 52
Afghanistan 53 53 52 53 53
Senegal 52 53 53 53 53
Haiti 53 53 53 53 53
Armenia 56 56 56 56 56
Burundi 57 57 57 57 57
Guinea-Bissau 58 57 57 57 57
Congo, Rep. 58 59 59 59 60
Angola 59 59 59 60 59
Mongolia 58 59 60 60 61
Eritrea 62 61 60 59 58
Panama 63 63 63 63 63
Kuwait 69 69 69 70 70
Puerto Rico 69 69 70 70 70
Djibouti 74 74 74 75 75
Liberia 89 80 71 62 57
Hong Kong SAR, China 100 100 100 100 100
Singapore 100 100 100 100 100
Macao SAR, China 100 100 100 100 100
Dominica
Turks and Caicos Islands
Kiribati
Cayman Islands
Isle of Man
Kosovo
Lesotho
Cyprus
Iceland
Trinidad and Tobago
Liechtenstein
Belize
Northern Mariana Islands
St. Martin (French part)
Guyana
Swaziland
Samoa
Mauritius
San Marino
Cabo Verde
Sao Tome and Principe
Brunei Darussalam
Luxembourg
Bhutan
Palau
Bahamas, The
Guam
St. Lucia
Seychelles
St. Vincent and the Grenadines
Grenada
Suriname
Aruba
Marshall Islands
Maldives
Curacao
Antigua and Barbuda
Comoros
Malta
Timor-Leste
American Samoa
Tonga
Montenegro
Micronesia, Fed. Sts.
Fiji
Botswana
Faeroe Islands
Tuvalu
New Caledonia
Bermuda
Equatorial Guinea
Barbados
St. Kitts and Nevis
Monaco
Sint Maarten (Dutch part)
Vanuatu
Greenland
Slovenia
Virgin Islands (U.S.)
Solomon Islands
Andorra
French Polynesia
Albania

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