Rank	Countries/Territories	Count	Percent
1	United States	169	27.2%
2	China	158	25.4%
3	Germany	86	13.8%
4	Japan	27	4.3%
5	France	25	4%
6	Mexico	19	3.1%
7	Korea, Republic of	11	1.8%
8	Singapore	11	1.8%
9	Brazil	10	1.6%
10	Australia	9	1.4%
11	India	9	1.4%
12	Iran, Islamic Republic of	8	1.3%
13	Colombia	8	1.3%
14	Ireland	7	1.1%
15	Egypt	6	1%
16	Cyprus	6	1%
17	Canada	6	1%
18	Netherlands	6	1%
19	Russia	5	0.8%
20	United Kingdom	4	0.6%
21	Taiwan	4	0.6%
22	Turkey	3	0.5%
23	Ukraine	3	0.5%
24	Malaysia	3	0.5%
25	Oman	2	0.3%
26	Slovenia	2	0.3%
27	Belgium	2	0.3%
28	Czech Republic	2	0.3%
29	Hong Kong	2	0.3%
30	Italy	2	0.3%
31	Finland	1	0.2%
32	Spain	1	0.2%
33	Uzbekistan	1	0.2%
34	Zimbabwe	1	0.2%
35	Poland	1	0.2%
36	Portugal	1	0.2%
37	Latvia	1	0.2%