Rank	Countries/Territories	Count	Percent
1	United States	481	43.5%
2	China	349	31.5%
3	Germany	70	6.3%
4	France	29	2.6%
5	Japan	23	2.1%
6	Taiwan	23	2.1%
7	Russia	17	1.5%
8	Canada	12	1.1%
9	Cyprus	11	1%
10	Singapore	9	0.8%
11	Australia	8	0.7%
12	Iceland	7	0.6%
13	India	7	0.6%
14	Netherlands	7	0.6%
15	United Kingdom	7	0.6%
16	Viet Nam	6	0.5%
17	Poland	4	0.4%
18	Ireland	4	0.4%
19	Italy	4	0.4%
20	Latvia	3	0.3%
21	Hong Kong	3	0.3%
22	Portugal	3	0.3%
23	Spain	3	0.3%
24	Turkey	2	0.2%
25	Ukraine	2	0.2%
26	Mexico	2	0.2%
27	Czech Republic	2	0.2%
28	Chile	2	0.2%
29	Argentina	2	0.2%
30		1	0.1%
31	Iran, Islamic Republic of	1	0.1%
32	Switzerland	1	0.1%
33	South Africa	1	0.1%
34	Saudi Arabia	1	0.1%