1 United States 29 44.6%2 China 9 13.8%3 Germany 9 13.8%4 Argentina 3 4.6%5 Netherlands 3 4.6%6 Russia 3 4.6%7 France 2 3.1%8 Ireland 2 3.1%9 Luxembourg 1 1.5%10 Hong Kong 1 1.5%11 Estonia 1 1.5%12 Turkey 1 1.5%13 United Kingdom 1 1.5%13 12 9 12 10 9 651 8 4 6 2 3 3 1 3 2 8 414 5 3 5 1 1 196 5 10 9 6 36
