Rank	Countries/Territories	Count	Percent
1	United States	613	54.2%
2	China	287	25.4%
3	Germany	77	6.8%
4	Canada	19	1.7%
5	Ukraine	17	1.5%
6	Switzerland	16	1.4%
7	Japan	16	1.4%
8	Netherlands	13	1.2%
9	Singapore	12	1.1%
10	India	10	0.9%
11	France	9	0.8%
12	Korea, Republic of	6	0.5%
13	Poland	4	0.4%
14	Ireland	3	0.3%
15	Sweden	3	0.3%
16	Cyprus	3	0.3%
17	Denmark	2	0.2%
18	Argentina	2	0.2%
19	Australia	2	0.2%
20	Bangladesh	2	0.2%
21	Hong Kong	2	0.2%
22	United Kingdom	2	0.2%
23	Jamaica	2	0.2%
24	South Africa	2	0.2%
25	Taiwan	1	0.1%
26	Russia	1	0.1%
27	Iran, Islamic Republic of	1	0.1%
28	Malaysia	1	0.1%
29	Mexico	1	0.1%
30	Brazil	1	0.1%