Rank	Countries/Territories	Count	Percent
1	United States	441	42.3%
2	China	202	19.4%
3	Germany	150	14.4%
4	Russia	77	7.4%
5	Canada	30	2.9%
6	India	25	2.4%
7	France	20	1.9%
8	Cyprus	12	1.2%
9	Japan	12	1.2%
10	Korea, Republic of	9	0.9%
11	Netherlands	7	0.7%
12	Switzerland	6	0.6%
13	Romania	6	0.6%
14	Taiwan	5	0.5%
15	Australia	5	0.5%
16	Singapore	4	0.4%
17	Ukraine	3	0.3%
18	United Kingdom	3	0.3%
19	Thailand	2	0.2%
20	Saudi Arabia	2	0.2%
21	Malaysia	2	0.2%
22	Mongolia	2	0.2%
23	Indonesia	2	0.2%
24	Israel	2	0.2%
25	Italy	2	0.2%
26	Yemen	2	0.2%
27	Iran, Islamic Republic of	1	0.1%
28	Argentina	1	0.1%
29	Hong Kong	1	0.1%
30	South Africa	1	0.1%
31	Spain	1	0.1%
32	Norway	1	0.1%
33	Poland	1	0.1%
34	Portugal	1	0.1%
35	Turkey	1	0.1%
36	Viet Nam	1	0.1%