Rank	Countries/Territories	Count	Percent
1	United States	292	37.1%
2	China	258	32.8%
3	Germany	64	8.1%
4	France	28	3.6%
5	Japan	12	1.5%
6	Malaysia	12	1.5%
7	Singapore	11	1.4%
8	Switzerland	11	1.4%
9	Korea, Republic of	10	1.3%
10	Cyprus	9	1.1%
11	Slovenia	9	1.1%
12	Netherlands	9	1.1%
13	United Kingdom	6	0.8%
14	India	6	0.8%
15	Ireland	5	0.6%
16	Canada	5	0.6%
17	Saudi Arabia	5	0.6%
18	Russia	4	0.5%
19	Greece	4	0.5%
20	Hong Kong	4	0.5%
21	Hungary	4	0.5%
22	Belgium	3	0.4%
23	Austria	2	0.3%
24	Iran, Islamic Republic of	2	0.3%
25	Czech Republic	2	0.3%
26	Sweden	2	0.3%
27	Poland	2	0.3%
28	Romania	2	0.3%
29	Taiwan	2	0.3%
30	Ukraine	1	0.1%
31	Argentina	1	0.1%