Rank	Countries/Territories	Count	Percent
1	United States	190	28.1%
2	China	141	20.8%
3	Germany	86	12.7%
4	Netherlands	33	4.9%
5	Korea, Republic of	27	4%
6	Canada	26	3.8%
7	India	22	3.2%
8	Russia	22	3.2%
9	Ireland	19	2.8%
10	Japan	10	1.5%
11	Colombia	10	1.5%
12	Ukraine	10	1.5%
13	France	9	1.3%
14		7	1%
15	Singapore	7	1%
16	Sweden	6	0.9%
17	Taiwan	6	0.9%
18	Saudi Arabia	6	0.9%
19	Mexico	6	0.9%
20	United Kingdom	5	0.7%
21	Iran, Islamic Republic of	5	0.7%
22	Cyprus	4	0.6%
23	Hong Kong	3	0.4%
24	Israel	3	0.4%
25	Italy	3	0.4%
26	Spain	3	0.4%
27	Sudan	2	0.3%
28	Pakistan	2	0.3%
29	Lithuania	2	0.3%
30	Malaysia	1	0.1%
31	Egypt	1	0.1%