122 United States
     66 Germany
     51 People's Republic of China
     32 United Kingdom
     19 India
     19 Hong Kong SAR
     17 Italy
     16 Kazakhstan
     15 Poland
     14 Canada
     13 Republic of China (Taiwan)
     12 Netherlands
     12 Israel
     11 Australia
      9 Switzerland
      9 Japan
      9 Argentina
      7 France
      7 Brazil
      5 Ukraine
      5 Sweden
      5 Spain
      5 South Africa
      5 Finland
      4 Russian Federation
      4 Philippines
      4 Egypt
      4 Bangladesh
      3 Venezuela
      3 Serbia
      3 Republic of Korea
      3 Portugal
      3 Mexico
      3 Indonesia
      3 Hungary
      3 Czech Republic
      3 Chile
      3 Austria
      3 Armenia
      2 Thailand
      2 Tanzania United Republic of
      2 Singapore
      2 Saudi Arabia
      2 Kyrgyzstan
      2 Kenya
      2 Iran Islamic Republic of
      2 Greece
      2 Estonia
      2 Belgium
      2 Azerbaijan
      1 Yemen
      1 Viet Nam
      1 Uruguay
      1 Sri Lanka
      1 Panama
      1 Pakistan
      1 Norway
      1 Nepal
      1 Namibia
      1 Morocco
      1 Mali
      1 Macedonia The Former Yugoslav Republic of
      1 Macao
      1 Lithuania
      1 Latvia
      1 Ireland
      1 Iraq
      1 Ghana
      1 Georgia
      1 Costa Rica
      1 Cambodia
      1 Burma (Myanmar)
      1 Botswana
      1 Bolivia
      1 Belarus