Rank	Countries/Territories	Count	Percent
1	United States	436	39.4%
2	China	333	30.1%
3	Germany	74	6.7%
4	Netherlands	25	2.3%
5	Russia	19	1.7%
6	India	19	1.7%
7	Egypt	17	1.5%
8	Canada	17	1.5%
9	Singapore	15	1.4%
10	Indonesia	13	1.2%
11	Japan	13	1.2%
12	Ireland	12	1.1%
13	Hong Kong	12	1.1%
14	United Kingdom	10	0.9%
15	Greece	9	0.8%
16	Argentina	9	0.8%
17	Ghana	8	0.7%
18	Iran, Islamic Republic of	8	0.7%
19	Viet Nam	8	0.7%
20	Taiwan	7	0.6%
21	Switzerland	6	0.5%
22	Korea, Republic of	6	0.5%
23	France	5	0.5%
24	Ukraine	4	0.4%
25	Cyprus	3	0.3%
26	Czech Republic	2	0.2%
27	Israel	2	0.2%
28	Thailand	2	0.2%
29	Turkey	2	0.2%
30	Romania	2	0.2%
31	Spain	2	0.2%
32	Sweden	2	0.2%
33	Saudi Arabia	2	0.2%
34	Poland	1	0.1%
35	Malaysia	1	0.1%