Rank	Countries/Territories	Count	Percent
1	United States	365	39.6%
2	China	286	31.1%
3	Germany	61	6.6%
4	Netherlands	24	2.6%
5	India	18	2%
6	Egypt	16	1.7%
7	Canada	14	1.5%
8	Indonesia	13	1.4%
9	Japan	13	1.4%
10	Russia	12	1.3%
11	United Kingdom	10	1.1%
12	Ireland	10	1.1%
13	Hong Kong	10	1.1%
14	Ghana	8	0.9%
15	Viet Nam	8	0.9%
16	Singapore	8	0.9%
17	Switzerland	6	0.7%
18	Iran, Islamic Republic of	6	0.7%
19	France	4	0.4%
20	Ukraine	4	0.4%
21	Taiwan	3	0.3%
22	Greece	3	0.3%
23	Korea, Republic of	3	0.3%
24	Israel	2	0.2%
25	Czech Republic	2	0.2%
26	Argentina	2	0.2%
27	Thailand	2	0.2%
28	Sweden	2	0.2%
29	Saudi Arabia	2	0.2%
30	Poland	1	0.1%
31	Romania	1	0.1%
32	Cyprus	1	0.1%
33	Malaysia	1	0.1%