Rank	Countries/Territories	Count	Percent
1	United States	442	40.6%
2	China	293	26.9%
3	Germany	87	8%
4	India	61	5.6%
5	Netherlands	54	5%
6	Ireland	27	2.5%
7	Canada	22	2%
8	France	17	1.6%
9	Singapore	11	1%
10	Pakistan	10	0.9%
11	Latvia	10	0.9%
12	Japan	7	0.6%
13	Korea, Republic of	7	0.6%
14	Mexico	6	0.6%
15	Ukraine	5	0.5%
16	Australia	4	0.4%
17	Argentina	3	0.3%
18	Zambia	3	0.3%
19	Russia	3	0.3%
20	Lebanon	2	0.2%
21	Spain	2	0.2%
22	Tunisia	2	0.2%
23	Belgium	2	0.2%
24	Denmark	2	0.2%
25	Cyprus	1	0.1%
26	Israel	1	0.1%
27	Indonesia	1	0.1%
28	Iran, Islamic Republic of	1	0.1%
29	Sweden	1	0.1%
30	Thailand	1	0.1%
31	South Africa	1	0.1%