Rank	Countries/Territories	Count	Percent
1	United States	245	41.1%
2	China	128	21.5%
3	Russia	45	7.6%
4	Germany	43	7.2%
5	Netherlands	15	2.5%
6	Korea, Republic of	12	2%
7	United Kingdom	11	1.8%
8	Japan	10	1.7%
9	Singapore	8	1.3%
10	India	8	1.3%
11	Spain	7	1.2%
12	Switzerland	6	1%
13	Ireland	6	1%
14	Brazil	6	1%
15	Canada	5	0.8%
16	Hong Kong	5	0.8%
17	France	4	0.7%
18	Cyprus	4	0.7%
19	Taiwan	4	0.7%
20	Romania	3	0.5%
21	Croatia	3	0.5%
22	Australia	3	0.5%
23	Finland	2	0.3%
24	Iran, Islamic Republic of	2	0.3%
25	Malaysia	2	0.3%
26	Uruguay	2	0.3%
27	Turkey	1	0.2%
28	Ukraine	1	0.2%
29	Pakistan	1	0.2%
30	Slovakia	1	0.2%
31	Italy	1	0.2%
32	Argentina	1	0.2%
33	Czech Republic	1	0.2%