Rank	Countries/Territories	Count	Percent
1	United States	326	43.9%
2	China	215	29%
3	Germany	51	6.9%
4	Taiwan	23	3.1%
5	France	17	2.3%
6	Russia	13	1.8%
7	Canada	8	1.1%
8	Japan	8	1.1%
9	Iceland	7	0.9%
10	India	7	0.9%
11	Australia	7	0.9%
12	Cyprus	7	0.9%
13	Netherlands	6	0.8%
14	United Kingdom	6	0.8%
15	Viet Nam	6	0.8%
16	Singapore	4	0.5%
17	Poland	4	0.5%
18	Ireland	4	0.5%
19	Portugal	3	0.4%
20	Spain	3	0.4%
21	Turkey	2	0.3%
22	Ukraine	2	0.3%
23	Mexico	2	0.3%
24	Italy	2	0.3%
25	Hong Kong	2	0.3%
26	Chile	2	0.3%
27		1	0.1%
28	Iran, Islamic Republic of	1	0.1%
29	Switzerland	1	0.1%
30	South Africa	1	0.1%
31	Saudi Arabia	1	0.1%