Rank	Countries/Territories	Count	Percent
1	United States	305	37.7%
2	China	194	24%
3	Germany	65	8%
4	Japan	60	7.4%
5	France	22	2.7%
6	United Kingdom	19	2.4%
7	Singapore	19	2.4%
8	India	18	2.2%
9	Canada	18	2.2%
10	Korea, Republic of	11	1.4%
11	Netherlands	11	1.4%
12	Iran, Islamic Republic of	5	0.6%
13	Italy	5	0.6%
14	Hong Kong	4	0.5%
15	Australia	4	0.5%
16	Norway	4	0.5%
17	Moldova, Republic of	4	0.5%
18	Morocco	4	0.5%
19	Nigeria	3	0.4%
20	Portugal	3	0.4%
21	Taiwan	3	0.4%
22	Brazil	3	0.4%
23	Cyprus	3	0.4%
24	Czech Republic	3	0.4%
25	Egypt	3	0.4%
26	Ireland	3	0.4%
27	Argentina	2	0.2%
28	Spain	2	0.2%
29	Poland	2	0.2%
30	Switzerland	1	0.1%
31	Russia	1	0.1%
32	Turkey	1	0.1%
33	Finland	1	0.1%
34	Iraq	1	0.1%
35	Georgia	1	0.1%