Rank	Countries/Territories	Count	Percent
1	United States	491	50.5%
2	China	266	27.4%
3	Germany	76	7.8%
4	India	21	2.2%
5	Japan	19	2%
6	Netherlands	12	1.2%
7	Korea, Republic of	11	1.1%
8	Singapore	10	1%
9		9	0.9%
10	Hong Kong	7	0.7%
11	Canada	6	0.6%
12	Iran, Islamic Republic of	5	0.5%
13	Ireland	5	0.5%
14	Malaysia	5	0.5%
15	Mexico	4	0.4%
16	France	3	0.3%
17	Denmark	3	0.3%
18	Egypt	2	0.2%
19	Cyprus	2	0.2%
20	Italy	2	0.2%
21	Taiwan	2	0.2%
22	Ukraine	2	0.2%
23	United Kingdom	2	0.2%
24	Uzbekistan	1	0.1%
25	Uganda	1	0.1%
26	Sweden	1	0.1%
27	Georgia	1	0.1%
28	Australia	1	0.1%
29	Bangladesh	1	0.1%
30	Croatia	1	0.1%