
Rank | Countries/Territories | Count | Percent |
1 | United States | 157 | 33.1% |
2 | China | 155 | 32.6% |
3 | Sweden | 32 | 6.7% |
4 | Germany | 31 | 6.5% |
5 | France | 25 | 5.3% |
6 | Netherlands | 23 | 4.8% |
7 | Russia | 15 | 3.2% |
8 | Ireland | 13 | 2.7% |
9 | Canada | 3 | 0.6% |
10 | Chile | 3 | 0.6% |
11 | Korea, Republic of | 3 | 0.6% |
12 | Norway | 2 | 0.4% |
13 | Hong Kong | 2 | 0.4% |
14 | India | 2 | 0.4% |
15 | United Kingdom | 2 | 0.4% |
16 | Tunisia | 2 | 0.4% |
17 | Turkey | 1 | 0.2% |
18 | Japan | 1 | 0.2% |
19 | Latvia | 1 | 0.2% |
20 | Singapore | 1 | 0.2% |
21 | Taiwan | 1 | 0.2% |



Month | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | All year |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Count | 104 | 134 | 103 | 121 | 105 | 133 | 165 | 146 | 116 | 214 | 170 | 123 | 1634 |



