Rank	Countries/Territories	Count	Percent
1	United States	464	41.3%
2	China	336	29.9%
3	Germany	132	11.7%
4	France	28	2.5%
5	Russia	26	2.3%
6	Japan	24	2.1%
7	Netherlands	17	1.5%
8	Canada	14	1.2%
9	Hong Kong	13	1.2%
10	Singapore	13	1.2%
11	Ukraine	10	0.9%
12	Australia	8	0.7%
13	Denmark	5	0.4%
14	Cyprus	4	0.4%
15	Colombia	3	0.3%
16	Norway	3	0.3%
17	Korea, Republic of	3	0.3%
18	Malaysia	3	0.3%
19	South Africa	2	0.2%
20	Sweden	2	0.2%
21	Thailand	2	0.2%
22	Finland	2	0.2%
23	Iran, Islamic Republic of	2	0.2%
24	Ireland	2	0.2%
25	India	1	0.1%
26	Indonesia	1	0.1%
27	Bulgaria	1	0.1%
28	Argentina	1	0.1%
29	Mauritius	1	0.1%
30	Poland	1	0.1%