Rank	Countries/Territories	Count	Percent
1	United States	407	38.4%
2	China	279	26.3%
3	Germany	91	8.6%
4	Spain	37	3.5%
5	Netherlands	25	2.4%
6	Japan	19	1.8%
7	Korea, Republic of	19	1.8%
8	Belgium	15	1.4%
9	France	14	1.3%
10	Brazil	12	1.1%
11	Canada	12	1.1%
12	Cyprus	12	1.1%
13	Sweden	11	1%
14	Singapore	10	0.9%
15	Russia	9	0.8%
16	United Kingdom	9	0.8%
17	Pakistan	8	0.8%
18	Romania	8	0.8%
19	Iran, Islamic Republic of	8	0.8%
20	Viet Nam	7	0.7%
21	India	6	0.6%
22	Turkey	5	0.5%
23	Thailand	4	0.4%
24	Ireland	4	0.4%
25	Hong Kong	4	0.4%
26	Czech Republic	3	0.3%
27	Australia	3	0.3%
28	Mexico	3	0.3%
29	Ukraine	3	0.3%
30	Poland	3	0.3%
31	Taiwan	2	0.2%
32	Italy	2	0.2%
33	Argentina	2	0.2%
34	Hungary	1	0.1%
35	Mongolia	1	0.1%
36	Saudi Arabia	1	0.1%
37	Switzerland	1	0.1%