Rank	Countries/Territories	Count	Percent
1	United States	367	41.5%
2	China	178	20.1%
3	Germany	126	14.2%
4	Korea, Republic of	31	3.5%
5	Netherlands	30	3.4%
6	France	25	2.8%
7	Japan	19	2.1%
8	Latvia	12	1.4%
9	Singapore	9	1%
10	Nigeria	8	0.9%
11	Ukraine	7	0.8%
12	Viet Nam	5	0.6%
13	Philippines	5	0.6%
14	India	5	0.6%
15	Iran, Islamic Republic of	4	0.5%
16	Mongolia	4	0.5%
17	Australia	4	0.5%
18	South Africa	4	0.5%
19	Sweden	4	0.5%
20	United Kingdom	4	0.5%
21	Russia	3	0.3%
22	Switzerland	3	0.3%
23	Bulgaria	3	0.3%
24	Canada	3	0.3%
25	Hong Kong	3	0.3%
26	Cyprus	3	0.3%
27	Ireland	3	0.3%
28	Israel	3	0.3%
29	Italy	2	0.2%
30	Egypt	2	0.2%
31	Taiwan	2	0.2%
32	Spain	2	0.2%
33	Portugal	1	0.1%
34	Bangladesh	1	0.1%