Rank	Countries/Territories	Count	Percent
1	United States	529	52.2%
2	China	153	15.1%
3	Germany	84	8.3%
4	France	40	3.9%
5	South Africa	32	3.2%
6	Japan	29	2.9%
7	Korea, Republic of	29	2.9%
8	Netherlands	13	1.3%
9	Portugal	12	1.2%
10	Bulgaria	12	1.2%
11	Canada	11	1.1%
12	Poland	7	0.7%
13	Cyprus	6	0.6%
14	United Kingdom	6	0.6%
15	India	5	0.5%
16	Singapore	4	0.4%
17	Thailand	3	0.3%
18	Ireland	3	0.3%
19	Argentina	3	0.3%
20	Australia	3	0.3%
21	Hungary	2	0.2%
22	Philippines	2	0.2%
23	Romania	2	0.2%
24	Lithuania	2	0.2%
25	Malaysia	2	0.2%
26	Mauritius	2	0.2%
27	Mongolia	2	0.2%
28	Turkey	2	0.2%
29	Ukraine	2	0.2%
30	Viet Nam	1	0.1%
31	Latvia	1	0.1%
32	Kenya	1	0.1%
33	Spain	1	0.1%
34	Nigeria	1	0.1%
35	Hong Kong	1	0.1%
36	Israel	1	0.1%
37	Indonesia	1	0.1%
38	Belgium	1	0.1%
39	Dominican Republic	1	0.1%
40	Ecuador	1	0.1%
41	Cote D'ivoire	1	0.1%