Rank	Countries/Territories	Count	Percent
1	United States	373	39.4%
2	China	298	31.5%
3	Germany	61	6.4%
4	Netherlands	24	2.5%
5	India	18	1.9%
6	Egypt	16	1.7%
7	Canada	14	1.5%
8	Indonesia	13	1.4%
9	Japan	13	1.4%
10	Singapore	13	1.4%
11	Russia	12	1.3%
12	Hong Kong	10	1.1%
13	United Kingdom	10	1.1%
14	Ireland	10	1.1%
15	Ghana	8	0.8%
16	Viet Nam	8	0.8%
17	Switzerland	6	0.6%
18	Iran, Islamic Republic of	6	0.6%
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	Argentina	2	0.2%
26	Cyprus	2	0.2%
27	Czech Republic	2	0.2%
28	Thailand	2	0.2%
29	Saudi Arabia	2	0.2%
30	Sweden	2	0.2%
31	Malaysia	1	0.1%
32	Poland	1	0.1%
33	Romania	1	0.1%