Rank	Countries/Territories	Count	Percent
1	United States	494	37.5%
2	China	377	28.6%
3	Germany	118	8.9%
4	Netherlands	67	5.1%
5	India	38	2.9%
6	Belgium	33	2.5%
7	France	25	1.9%
8	Russia	20	1.5%
9	Japan	13	1%
10	Canada	12	0.9%
11	Hong Kong	11	0.8%
12	Nigeria	9	0.7%
13	Turkey	9	0.7%
14	Latvia	8	0.6%
15	Egypt	8	0.6%
16	Australia	8	0.6%
17	Iran, Islamic Republic of	6	0.5%
18	Viet Nam	6	0.5%
19	Ireland	5	0.4%
20	Brazil	5	0.4%
21	Korea, Republic of	5	0.4%
22	Singapore	5	0.4%
23	Italy	4	0.3%
24	United Kingdom	4	0.3%
25	Switzerland	4	0.3%
26	Serbia	3	0.2%
27	Philippines	3	0.2%
28	Lithuania	3	0.2%
29	Saudi Arabia	2	0.2%
30	South Africa	2	0.2%
31	Israel	2	0.2%
32	Indonesia	1	0.1%
33	Argentina	1	0.1%
34	Armenia	1	0.1%
35	Cyprus	1	0.1%
36	Denmark	1	0.1%
37	Sweden	1	0.1%
38	Romania	1	0.1%
39	Norway	1	0.1%
40	Pakistan	1	0.1%
41	Thailand	1	0.1%