Rank	Countries/Territories	Count	Percent
1	United States	627	40.6%
2	China	487	31.5%
3	Germany	108	7%
4	France	38	2.5%
5	Japan	38	2.5%
6	Czech Republic	37	2.4%
7	Canada	34	2.2%
8	Netherlands	20	1.3%
9	United Kingdom	17	1.1%
10	Hong Kong	14	0.9%
11	India	13	0.8%
12	Spain	11	0.7%
13	Colombia	10	0.6%
14	Cyprus	10	0.6%
15	Argentina	9	0.6%
16	Australia	7	0.5%
17	Italy	7	0.5%
18	Ireland	6	0.4%
19	Korea, Republic of	6	0.4%
20	Ukraine	6	0.4%
21	Iran, Islamic Republic of	5	0.3%
22	Singapore	4	0.3%
23	Mongolia	4	0.3%
24	Norway	3	0.2%
25	Taiwan	3	0.2%
26	Sweden	3	0.2%
27	Malaysia	3	0.2%
28	Latvia	2	0.1%
29	Russia	2	0.1%
30	Chile	2	0.1%
31	Denmark	2	0.1%
32	Ecuador	1	0.1%
33	Finland	1	0.1%
34	Indonesia	1	0.1%
35	Austria	1	0.1%
36	Bulgaria	1	0.1%
37	Romania	1	0.1%
38	Switzerland	1	0.1%
39	Mexico	1	0.1%