Rank	Countries/Territories	Count	Percent
1	United States	764	50.1%
2	China	322	21.1%
3	Germany	114	7.5%
4	France	66	4.3%
5	Bulgaria	37	2.4%
6	Korea, Republic of	35	2.3%
7	Japan	31	2%
8	Canada	24	1.6%
9		19	1.2%
10	Netherlands	17	1.1%
11	Singapore	15	1%
12	Ukraine	12	0.8%
13	Cyprus	8	0.5%
14	South Africa	6	0.4%
15	Taiwan	6	0.4%
16	United Kingdom	5	0.3%
17	Australia	5	0.3%
18	Hong Kong	4	0.3%
19	Thailand	4	0.3%
20	Morocco	4	0.3%
21	Lithuania	4	0.3%
22	Argentina	3	0.2%
23	Russia	3	0.2%
24	Cote D'ivoire	2	0.1%
25	Iran, Islamic Republic of	2	0.1%
26	Finland	2	0.1%
27	Malaysia	2	0.1%
28	Latvia	2	0.1%
29	Mauritius	1	0.1%
30	Mongolia	1	0.1%
31	Philippines	1	0.1%
32	Romania	1	0.1%
33	Georgia	1	0.1%
34	Ireland	1	0.1%
35	Ecuador	1	0.1%
36	Egypt	1	0.1%