Rank	Countries/Territories	Count	Percent
1	United States	621	37%
2	China	329	19.6%
3	India	141	8.4%
4	Russia	131	7.8%
5	Germany	101	6%
6	Canada	42	2.5%
7	Cameroon	40	2.4%
8	France	24	1.4%
9	Israel	24	1.4%
10	Brazil	20	1.2%
11	Japan	15	0.9%
12	South Africa	15	0.9%
13	United Kingdom	15	0.9%
14	Sweden	14	0.8%
15	Korea, Republic of	14	0.8%
16	Australia	14	0.8%
17	Iran, Islamic Republic of	13	0.8%
18	Netherlands	13	0.8%
19	Thailand	10	0.6%
20	Cyprus	9	0.5%
21	Romania	8	0.5%
22	Singapore	7	0.4%
23	Belgium	6	0.4%
24	Cote D'ivoire	5	0.3%
25	Indonesia	5	0.3%
26	Pakistan	4	0.2%
27	Saudi Arabia	3	0.2%
28	Spain	3	0.2%
29	United Arab Emirates	3	0.2%
30	Peru	2	0.1%
31	Poland	2	0.1%
32	Iraq	2	0.1%
33	Finland	2	0.1%
34	Ghana	2	0.1%
35	Hong Kong	2	0.1%
36	Bangladesh	2	0.1%
37	Bulgaria	2	0.1%
38	Austria	1	0.1%
39	Czech Republic	1	0.1%
40	Denmark	1	0.1%
41	Latvia	1	0.1%
42	Moldova, Republic of	1	0.1%
43	Morocco	1	0.1%
44	Nepal	1	0.1%
45	Philippines	1	0.1%
46	Norway	1	0.1%
47	Kenya	1	0.1%
48	Viet Nam	1	0.1%
49	Taiwan	1	0.1%
50	Slovakia	1	0.1%