Rank	Countries/Territories	Count	Percent
1	United States	572	45.2%
2	China	378	29.9%
3	Germany	109	8.6%
4	France	52	4.1%
5	India	34	2.7%
6	Netherlands	23	1.8%
7	Japan	13	1%
8	Canada	13	1%
9	Australia	9	0.7%
10	Cyprus	8	0.6%
11	Singapore	8	0.6%
12	Bulgaria	6	0.5%
13	Iran, Islamic Republic of	4	0.3%
14	Thailand	4	0.3%
15	Ukraine	4	0.3%
16	Turkey	3	0.2%
17	Norway	3	0.2%
18	Poland	3	0.2%
19	South Africa	2	0.2%
20	Romania	2	0.2%
21	Korea, Republic of	2	0.2%
22	Indonesia	2	0.2%
23	Hong Kong	2	0.2%
24	Argentina	2	0.2%
25	Bangladesh	2	0.2%
26	Brazil	2	0.2%
27	Cote D'ivoire	1	0.1%
28	Switzerland	1	0.1%
29	Taiwan	1	0.1%
30	Portugal	1	0.1%