Rank	Countries/Territories	Count	Percent
1	United States	282	37%
2	China	171	22.4%
3	Germany	70	9.2%
4	India	47	6.2%
5	Canada	16	2.1%
6	Netherlands	15	2%
7	Taiwan	14	1.8%
8	Japan	12	1.6%
9	United Kingdom	12	1.6%
10	Singapore	11	1.4%
11	Thailand	11	1.4%
12	France	10	1.3%
13	Colombia	9	1.2%
14	Korea, Republic of	9	1.2%
15	Philippines	8	1%
16	Nigeria	6	0.8%
17	Australia	6	0.8%
18	Cyprus	5	0.7%
19	Ethiopia	5	0.7%
20	Turkey	5	0.7%
21	Ireland	4	0.5%
22	Indonesia	3	0.4%
23	Iran, Islamic Republic of	3	0.4%
24		3	0.4%
25	Malaysia	3	0.4%
26	Norway	2	0.3%
27	South Africa	2	0.3%
28	Spain	2	0.3%
29	Belgium	2	0.3%
30	Ecuador	2	0.3%
31	Hong Kong	2	0.3%
32	Zambia	2	0.3%
33	Israel	1	0.1%
34	Benin	1	0.1%
35	Tanzania, United Republic of	1	0.1%
36	Viet Nam	1	0.1%
37	Romania	1	0.1%
38	Russia	1	0.1%
39	Mauritius	1	0.1%
40	Mexico	1	0.1%
41	Lithuania	1	0.1%