Rank	Countries/Territories	Count	Percent
1	United States	420	41.5%
2	China	246	24.3%
3	Germany	120	11.9%
4	India	60	5.9%
5	United Kingdom	24	2.4%
6	Canada	18	1.8%
7	Mexico	15	1.5%
8	Japan	13	1.3%
9	Singapore	12	1.2%
10	Ukraine	11	1.1%
11	Netherlands	10	1%
12	Iran, Islamic Republic of	6	0.6%
13	Cyprus	6	0.6%
14	Australia	5	0.5%
15	Italy	5	0.5%
16	France	5	0.5%
17	Portugal	5	0.5%
18	Spain	5	0.5%
19	Malaysia	4	0.4%
20	Czech Republic	3	0.3%
21	Denmark	3	0.3%
22	South Africa	3	0.3%
23	Russia	3	0.3%
24	Egypt	2	0.2%
25	Belgium	2	0.2%
26	Argentina	2	0.2%
27	Korea, Republic of	1	0.1%
28	Philippines	1	0.1%
29	Sweden	1	0.1%