Rank	Countries/Territories	Count	Percent
1	United States	419	37.2%
2	China	395	35.1%
3	Germany	91	8.1%
4	India	53	4.7%
5	France	28	2.5%
6	Switzerland	23	2%
7	Netherlands	14	1.2%
8	Japan	12	1.1%
9	Canada	10	0.9%
10	Sri Lanka	9	0.8%
11	Indonesia	7	0.6%
12	Cyprus	6	0.5%
13	Singapore	6	0.5%
14	Norway	5	0.4%
15	Australia	5	0.4%
16	Croatia	3	0.3%
17	Greece	3	0.3%
18	Hong Kong	3	0.3%
19	Korea, Republic of	3	0.3%
20	Libya	3	0.3%
21	United Kingdom	3	0.3%
22	Ukraine	2	0.2%
23	Italy	2	0.2%
24	Malaysia	2	0.2%
25	Poland	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Ireland	2	0.2%
28	Brazil	2	0.2%
29	Argentina	2	0.2%
30	Denmark	1	0.1%
31	Estonia	1	0.1%
32	Israel	1	0.1%
33	Georgia	1	0.1%
34	Russia	1	0.1%
35	South Africa	1	0.1%
36	Thailand	1	0.1%
37	Viet Nam	1	0.1%