Rank	Countries/Territories	Count	Percent
1	United States	442	41.2%
2	China	323	30.1%
3	Germany	121	11.3%
4	France	27	2.5%
5	Japan	24	2.2%
6	Russia	24	2.2%
7	Netherlands	17	1.6%
8	Canada	14	1.3%
9	Hong Kong	13	1.2%
10	Singapore	13	1.2%
11	Ukraine	10	0.9%
12	Australia	6	0.6%
13	Denmark	5	0.5%
14	Cyprus	4	0.4%
15	Korea, Republic of	3	0.3%
16	Malaysia	3	0.3%
17	Colombia	3	0.3%
18	Norway	3	0.3%
19	Iran, Islamic Republic of	2	0.2%
20	Ireland	2	0.2%
21	South Africa	2	0.2%
22	Sweden	2	0.2%
23	Thailand	2	0.2%
24	Finland	2	0.2%
25	Bulgaria	1	0.1%
26	Argentina	1	0.1%
27	Mauritius	1	0.1%
28	Indonesia	1	0.1%
29	Poland	1	0.1%