Rank	Countries/Territories	Count	Percent
1	United States	483	33.2%
2	China	425	29.2%
3	Germany	165	11.3%
4	France	65	4.5%
5	India	61	4.2%
6	Ireland	38	2.6%
7	Iran, Islamic Republic of	22	1.5%
8	Canada	22	1.5%
9	Cyprus	15	1%
10	Ukraine	15	1%
11	Switzerland	13	0.9%
12	Japan	13	0.9%
13	Korea, Republic of	13	0.9%
14	Netherlands	12	0.8%
15	Russia	12	0.8%
16	United Kingdom	11	0.8%
17	Pakistan	9	0.6%
18	Australia	9	0.6%
19	Malaysia	8	0.6%
20	Norway	5	0.3%
21	Singapore	4	0.3%
22	Hong Kong	4	0.3%
23	Colombia	3	0.2%
24	Latvia	3	0.2%
25	Lesotho	3	0.2%
26	Lithuania	3	0.2%
27	Mongolia	2	0.1%
28	South Africa	2	0.1%
29	Taiwan	2	0.1%
30	Tunisia	2	0.1%
31	Argentina	2	0.1%
32	Bangladesh	2	0.1%
33	Brazil	2	0.1%
34	Greece	2	0.1%
35	Finland	1	0.1%
36	Bulgaria	1	0.1%