Rank	Countries/Territories	Count	Percent
1	United States	168	31.2%
2	China	77	14.3%
3	Germany	40	7.4%
4	Canada	34	6.3%
5	South Africa	21	3.9%
6	Netherlands	19	3.5%
7	Japan	17	3.2%
8	Russia	17	3.2%
9	Saudi Arabia	12	2.2%
10	Bulgaria	11	2%
11	Turkey	10	1.9%
12	France	9	1.7%
13	Belgium	8	1.5%
14	Singapore	8	1.5%
15	Israel	7	1.3%
16	Switzerland	7	1.3%
17	United Kingdom	7	1.3%
18	Spain	5	0.9%
19	Algeria	5	0.9%
20	Iran, Islamic Republic of	4	0.7%
21	Hong Kong	4	0.7%
22	Italy	4	0.7%
23	Nigeria	4	0.7%
24	Lithuania	3	0.6%
25	Mauritius	3	0.6%
26	Thailand	3	0.6%
27	Ukraine	2	0.4%
28	Romania	2	0.4%
29	Viet Nam	2	0.4%
30	Philippines	2	0.4%
31	Poland	2	0.4%
32	Norway	2	0.4%
33	Korea, Republic of	2	0.4%
34	Latvia	2	0.4%
35	India	2	0.4%
36	Cote D'ivoire	2	0.4%
37	Isle of Man	2	0.4%
38	Bangladesh	2	0.4%
39	Burkina Faso	1	0.2%
40	Australia	1	0.2%
41	Brazil	1	0.2%
42	Ireland	1	0.2%
43	Egypt	1	0.2%
44	Paraguay	1	0.2%
45	Portugal	1	0.2%
46	Sweden	1	0.2%