| 181 | United States | |
| 112 | ||
| 42 | China | |
| 29 | India | |
| 25 | Germany | |
| 21 | France | |
| 20 | Poland | |
| 17 | Korea, Republic of | |
| 17 | United Kingdom | |
| 15 | Japan | |
| 12 | Italy | |
| 10 | Singapore | |
| 10 | Canada | |
| 10 | Netherlands | |
| 9 | Spain | |
| 9 | Brazil | |
| 9 | Russian Federation | |
| 8 | Austria | |
| 8 | Turkey | |
| 8 | Vietnam | |
| 7 | Taiwan | |
| 6 | Sri Lanka | |
| 6 | Tunisia | |
| 6 | Australia | |
| 5 | Israel | |
| 4 | Thailand | |
| 4 | Moldova, Republic of | |
| 4 | Latvia | |
| 4 | Romania | |
| 3 | Hungary | |
| 3 | Bulgaria | |
| 3 | Finland | |
| 3 | Ireland | |
| 3 | Iran, Islamic Republic of | |
| 2 | Greece | |
| 2 | Ghana | |
| 2 | Hong Kong | |
| 2 | Belgium | |
| 2 | Slovakia | |
| 2 | South Africa | |
| 2 | Switzerland | |
| 1 | Venezuela | |
| 1 | Cuba | |
| 1 | Peru | |
| 1 | Malaysia | |
| 1 | Kuwait | |
| 1 | Argentina | |
| 1 | Bermuda | |
| 1 | Colombia | |
| 1 | Egypt | |
| 1 | Pakistan | |
| 1 | Slovenia | |
| 1 | Czech Republic | |
| 1 | Belarus | |
| 1 | Malta | |
| 1 | Croatia | |
| 1 | Indonesia | |
| 1 | Norway | |
| 1 | Mexico | |
| 1 | Saudi Arabia |