 1 United States 29 44.62 China 9 13.83 Germany 9 13.84 Argentina 3 4.65 Netherlands 3 4.66 Russia 3 4.67 France 2 3.18 Ireland 2 3.19 Luxembourg 1 1.510 Hong Kong 1 1.511 Estonia 1 1.512 Turkey 1 1.513 United Kingdom 1 1.513 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 