Rank	Countries/Territories	Count	Percent
1	United States	533	47.4%
2	China	261	23.2%
3	Germany	146	13%
4	France	33	2.9%
5	Netherlands	29	2.6%
6		26	2.3%
7	Korea, Republic of	17	1.5%
8	Australia	12	1.1%
9	Japan	12	1.1%
10	Canada	6	0.5%
11	Cyprus	6	0.5%
12	India	5	0.4%
13	Hong Kong	4	0.4%
14	Ireland	4	0.4%
15	Israel	4	0.4%
16	Iran, Islamic Republic of	3	0.3%
17	Latvia	3	0.3%
18	Malaysia	3	0.3%
19	Mongolia	2	0.2%
20	Czech Republic	2	0.2%
21	Belgium	2	0.2%
22	Norway	2	0.2%
23	Singapore	2	0.2%
24	Taiwan	2	0.2%
25	Thailand	2	0.2%
26	Ukraine	2	0.2%
27	Russia	1	0.1%
28	Argentina	1	0.1%