Rank	Countries/Territories	Count	Percent
1	United States	444	46.3%
2	China	318	33.2%
3	Germany	111	11.6%
4	France	11	1.1%
5	Japan	8	0.8%
6	Mexico	8	0.8%
7	United Kingdom	6	0.6%
8	Korea, Republic of	6	0.6%
9	Canada	6	0.6%
10	Netherlands	6	0.6%
11	Cyprus	6	0.6%
12	Australia	5	0.5%
13	Russia	5	0.5%
14	Singapore	3	0.3%
15	Sweden	3	0.3%
16	Taiwan	2	0.2%
17	Ukraine	2	0.2%
18	Brazil	2	0.2%
19	Hong Kong	2	0.2%
20	India	2	0.2%
21	Iran, Islamic Republic of	1	0.1%
22	Ireland	1	0.1%
23	Mongolia	1	0.1%