Rank	Countries/Territories	Count	Percent
1	United States	490	38.4%
2	China	256	20%
3	Netherlands	101	7.9%
4	Germany	84	6.6%
5	India	77	6%
6	Russia	37	2.9%
7	Brazil	32	2.5%
8	Canada	22	1.7%
9	Japan	22	1.7%
10	Tunisia	21	1.6%
11	Morocco	13	1%
12	Italy	12	0.9%
13	Korea, Republic of	12	0.9%
14	Singapore	11	0.9%
15	United Kingdom	11	0.9%
16	Mongolia	9	0.7%
17	Spain	7	0.5%
18	Ireland	6	0.5%
19	Greece	6	0.5%
20	Hong Kong	6	0.5%
21	Australia	6	0.5%
22	Pakistan	4	0.3%
23	Taiwan	4	0.3%
24	Sweden	3	0.2%
25	Switzerland	3	0.2%
26	Palestine, State of	3	0.2%
27	Iran, Islamic Republic of	3	0.2%
28	Malaysia	3	0.2%
29	Mauritius	2	0.2%
30	Norway	2	0.2%
31	Israel	2	0.2%
32	Ukraine	1	0.1%
33	Mexico	1	0.1%
34	Argentina	1	0.1%
35	Cyprus	1	0.1%
36	Egypt	1	0.1%
37	Estonia	1	0.1%
38	France	1	0.1%