Rank	Countries/Territories	Count	Percent
1	United States	580	46.6%
2	China	235	18.9%
3	Germany	100	8%
4	Russia	60	4.8%
5	India	47	3.8%
6	Canada	37	3%
7	United Kingdom	22	1.8%
8	France	20	1.6%
9	Ireland	19	1.5%
10	Japan	17	1.4%
11	Netherlands	15	1.2%
12	Egypt	14	1.1%
13	Thailand	8	0.6%
14	Cyprus	7	0.6%
15	Mexico	7	0.6%
16	Brazil	6	0.5%
17	Turkey	6	0.5%
18	Peru	5	0.4%
19	Denmark	4	0.3%
20	Poland	3	0.2%
21	Iran, Islamic Republic of	3	0.2%
22	Italy	3	0.2%
23	Viet Nam	2	0.2%
24	Israel	2	0.2%
25	Mongolia	2	0.2%
26	Korea, Republic of	2	0.2%
27	Saudi Arabia	2	0.2%
28	South Africa	2	0.2%
29	Ecuador	2	0.2%
30	Belgium	2	0.2%
31	Indonesia	1	0.1%
32	Hungary	1	0.1%
33	Algeria	1	0.1%
34	Australia	1	0.1%
35	Austria	1	0.1%
36	Bangladesh	1	0.1%
37	Spain	1	0.1%
38	Sweden	1	0.1%
39	Singapore	1	0.1%
40	Norway	1	0.1%
41	Ukraine	1	0.1%