Rank	Countries/Territories	Count	Percent
1	United States	514	37.7%
2	China	282	20.7%
3	Germany	246	18%
4	Netherlands	79	5.8%
5	France	39	2.9%
6		27	2%
7	Canada	25	1.8%
8	Australia	15	1.1%
9	Korea, Republic of	15	1.1%
10	Ireland	12	0.9%
11	India	10	0.7%
12	Cote D'ivoire	9	0.7%
13	Japan	9	0.7%
14	Nigeria	7	0.5%
15	South Africa	7	0.5%
16	Bulgaria	7	0.5%
17	Cyprus	6	0.4%
18	Singapore	6	0.4%
19	Thailand	6	0.4%
20	Burkina Faso	5	0.4%
21	Cambodia	4	0.3%
22	Indonesia	4	0.3%
23	United Kingdom	4	0.3%
24	Greece	3	0.2%
25	Hong Kong	3	0.2%
26	Ukraine	2	0.1%
27	Senegal	2	0.1%
28	Norway	2	0.1%
29	New Zealand	2	0.1%
30	Mauritius	2	0.1%
31	Mongolia	2	0.1%
32	Romania	1	0.1%
33	Taiwan	1	0.1%
34	Togo	1	0.1%
35	Iran, Islamic Republic of	1	0.1%
36	Argentina	1	0.1%
37	Egypt	1	0.1%
38	Viet Nam	1	0.1%