Rank	Countries/Territories	Count	Percent
1	United States	342	43.4%
2	China	199	25.3%
3	Germany	57	7.2%
4	Netherlands	19	2.4%
5	Japan	17	2.2%
6	India	17	2.2%
7	Korea, Republic of	16	2%
8	France	15	1.9%
9	Poland	14	1.8%
10	Czech Republic	13	1.6%
11	Canada	12	1.5%
12	United Kingdom	9	1.1%
13	Ireland	7	0.9%
14	Singapore	6	0.8%
15	Australia	5	0.6%
16	Cyprus	5	0.6%
17	Iran, Islamic Republic of	4	0.5%
18	Italy	3	0.4%
19	Indonesia	3	0.4%
20	Taiwan	3	0.4%
21	Turkey	3	0.4%
22	Russia	2	0.3%
23	Spain	2	0.3%
24	Denmark	2	0.3%
25	Bangladesh	2	0.3%
26	Bulgaria	2	0.3%
27	Argentina	2	0.3%
28	Egypt	1	0.1%
29	Hong Kong	1	0.1%
30	Sweden	1	0.1%
31	Romania	1	0.1%
32	Lithuania	1	0.1%
33	Philippines	1	0.1%
34	Ukraine	1	0.1%