Rank	Countries/Territories	Count	Percent
1	United States	371	36.6%
2	China	264	26%
3	Germany	71	7%
4	Netherlands	61	6%
5		37	3.6%
6	Ireland	34	3.4%
7	Russia	21	2.1%
8	India	18	1.8%
9	Singapore	17	1.7%
10	Japan	15	1.5%
11	Iran, Islamic Republic of	10	1%
12	Latvia	10	1%
13	Spain	10	1%
14	United Kingdom	10	1%
15	Belgium	8	0.8%
16	Cyprus	7	0.7%
17	Canada	6	0.6%
18	Australia	6	0.6%
19	France	6	0.6%
20	Mexico	5	0.5%
21	Egypt	4	0.4%
22	Tanzania, United Republic of	4	0.4%
23	Thailand	4	0.4%
24	Switzerland	2	0.2%
25	South Africa	2	0.2%
26	Qatar	2	0.2%
27	Hong Kong	2	0.2%
28	Chile	1	0.1%
29	Malaysia	1	0.1%
30	Korea, Republic of	1	0.1%
31	Romania	1	0.1%
32	New Zealand	1	0.1%
33	Nigeria	1	0.1%
34	Ukraine	1	0.1%