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Rank | Countries/Territories | Count | Percent |
1 | China | 146 | 62.7% |
2 | United States | 50 | 21.5% |
3 | 13 | 5.6% | |
4 | Canada | 5 | 2.1% |
5 | Germany | 4 | 1.7% |
6 | Latvia | 3 | 1.3% |
7 | Sweden | 3 | 1.3% |
8 | Ukraine | 2 | 0.9% |
9 | Japan | 2 | 0.9% |
10 | Korea, Republic of | 2 | 0.9% |
11 | Singapore | 1 | 0.4% |
12 | Spain | 1 | 0.4% |
13 | France | 1 | 0.4% |
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