35 Continent Country Number of Companies (Total = 500) Percentage (%) Africa South Africa 1 0.2 Asia China 59 11.8 Asia Japan 39 7.8 Asia India 12 2.4 Asia South Korea 10 2 Asia Hong Kong 9 1.8 Asia Saudi Arabia 5 1 Asia United Arab Emirates 5 1 Asia Singapore 4 0.8 Asia Indonesia 3 0.6 Asia Taiwan 2 0.4 Asia Malaysia 1 0.2 Asia Qatar 1 0.2 Asia Thailand 1 0.2 Asia Turkey 1 0.2 Australia Australia 9 1.8 Europe United Kingdom 24 4.8 Europe France 23 4.6 Europe Germany 23 4.6 Europe Switzerland 11 2.2 Europe Spain 8 1.6 Europe Ireland 7 1.4 Europe Italy 6 1.2 Europe Netherlands 5 1 Europe Sweden 5 1 Europe Denmark 4 0.8 Europe Austria 2 0.4 Europe Belgium 2 0.4 Europe Finland 2 0.4 Europe Norway 2 0.4 Europe Czech Republic 1 0.2 Europe Luxembourg 1 0.2 Europe Poland 1 0.2 North America United States 178 35.6 North America Canada 22 4.4 North America Mexico 4 0.8 South America Brazil 6 1.2 South America Colombia 1 0.2 35