Rank	Countries/Territories	Count	Percent
1	United States	325	35.3%
2	China	261	28.3%
3	Germany	128	13.9%
4	Japan	53	5.8%
5	Netherlands	35	3.8%
6	Singapore	26	2.8%
7	Cyprus	12	1.3%
8	Russia	10	1.1%
9	France	9	1%
10	Hungary	6	0.7%
11	Iran, Islamic Republic of	6	0.7%
12	Korea, Republic of	5	0.5%
13	Turkey	5	0.5%
14	Ukraine	4	0.4%
15	United Kingdom	4	0.4%
16	Slovakia	4	0.4%
17	Hong Kong	3	0.3%
18	Australia	3	0.3%
19	Argentina	2	0.2%
20	Canada	2	0.2%
21	Egypt	2	0.2%
22	Estonia	2	0.2%
23	India	2	0.2%
24	Sudan	2	0.2%
25	Taiwan	2	0.2%
26	Thailand	1	0.1%
27	Kazakhstan	1	0.1%
28	Spain	1	0.1%
29	Iraq	1	0.1%
30	Georgia	1	0.1%
31	Ghana	1	0.1%
32	Bangladesh	1	0.1%
33	Bulgaria	1	0.1%