Rank	Countries/Territories	Count	Percent
1	United States	401	43.9%
2	China	276	30.2%
3	Germany	69	7.5%
4	Taiwan	23	2.5%
5	France	19	2.1%
6	Russia	14	1.5%
7	Canada	11	1.2%
8	Japan	10	1.1%
9	Cyprus	9	1%
10	Australia	7	0.8%
11	Iceland	7	0.8%
12	India	7	0.8%
13	Netherlands	7	0.8%
14	Singapore	7	0.8%
15	United Kingdom	7	0.8%
16	Viet Nam	6	0.7%
17	Poland	4	0.4%
18	Ireland	4	0.4%
19	Hong Kong	3	0.3%
20	Portugal	3	0.3%
21	Spain	3	0.3%
22	Turkey	2	0.2%
23	Ukraine	2	0.2%
24	Italy	2	0.2%
25	Mexico	2	0.2%
26	Chile	2	0.2%
27	Argentina	2	0.2%
28		1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Switzerland	1	0.1%
31	South Africa	1	0.1%
32	Saudi Arabia	1	0.1%