Rank	Countries/Territories	Count	Percent
1	United States	489	40%
2	China	320	26.2%
3	Germany	120	9.8%
4	India	50	4.1%
5	France	47	3.8%
6	Australia	24	2%
7	Japan	19	1.6%
8	Iran, Islamic Republic of	14	1.1%
9	Greece	13	1.1%
10	United Kingdom	12	1%
11	Switzerland	12	1%
12	Mexico	12	1%
13	Netherlands	12	1%
14	Russia	11	0.9%
15	Cyprus	11	0.9%
16	Canada	10	0.8%
17	Singapore	9	0.7%
18	Serbia	5	0.4%
19	Taiwan	4	0.3%
20	Hungary	3	0.2%
21	Indonesia	3	0.2%
22	Ireland	2	0.2%
23	Argentina	2	0.2%
24	Colombia	2	0.2%
25	Malaysia	2	0.2%
26	Rwanda	2	0.2%
27	New Zealand	2	0.2%
28	Ukraine	2	0.2%
29	Spain	2	0.2%
30	Mongolia	1	0.1%
31	Brazil	1	0.1%
32	Italy	1	0.1%
33	Korea, Republic of	1	0.1%
34	Lithuania	1	0.1%
35	Hong Kong	1	0.1%