Rank	Countries/Territories	Count	Percent
1	United States	346	46.3%
2	China	162	21.7%
3	Germany	39	5.2%
4	Netherlands	33	4.4%
5	Ireland	26	3.5%
6	India	23	3.1%
7	United Kingdom	20	2.7%
8	Canada	15	2%
9	Australia	11	1.5%
10	Hong Kong	8	1.1%
11	Iran, Islamic Republic of	6	0.8%
12	Iraq	5	0.7%
13	Norway	5	0.7%
14	Lithuania	3	0.4%
15	Morocco	3	0.4%
16	Singapore	3	0.4%
17	Ethiopia	3	0.4%
18	Finland	3	0.4%
19	France	3	0.4%
20	Bangladesh	2	0.3%
21	Cyprus	2	0.3%
22	Kenya	2	0.3%
23	New Zealand	2	0.3%
24	Saudi Arabia	2	0.3%
25	Qatar	2	0.3%
26	Romania	1	0.1%
27	Russia	1	0.1%
28	Viet Nam	1	0.1%
29	Nigeria	1	0.1%
30	Poland	1	0.1%
31	Malaysia	1	0.1%
32	South Africa	1	0.1%
33	Taiwan	1	0.1%
34	Tanzania, United Republic of	1	0.1%
35	Thailand	1	0.1%
36	Turkey	1	0.1%
37	Ukraine	1	0.1%
38	United Arab Emirates	1	0.1%
39	Djibouti	1	0.1%
40	Argentina	1	0.1%
41	Belgium	1	0.1%
42	Bulgaria	1	0.1%
43	Israel	1	0.1%