Rank	Countries/Territories	Count	Percent
1	United States	340	37.7%
2	China	257	28.5%
3	Germany	59	6.5%
4	India	30	3.3%
5	Iran, Islamic Republic of	28	3.1%
6	Canada	25	2.8%
7	Japan	23	2.5%
8	Australia	13	1.4%
9	Ireland	10	1.1%
10	Czech Republic	10	1.1%
11	Korea, Republic of	10	1.1%
12	Netherlands	10	1.1%
13	Cyprus	8	0.9%
14	France	8	0.9%
15	Hong Kong	8	0.9%
16	Belgium	7	0.8%
17	Singapore	7	0.8%
18	Latvia	6	0.7%
19	Russia	5	0.6%
20	Taiwan	4	0.4%
21	Ukraine	4	0.4%
22	Brazil	4	0.4%
23	Argentina	3	0.3%
24	Turkey	3	0.3%
25	Poland	3	0.3%
26	Spain	3	0.3%
27	Nigeria	2	0.2%
28	Norway	2	0.2%
29	United Kingdom	2	0.2%
30	Colombia	2	0.2%
31	Austria	1	0.1%
32	Italy	1	0.1%
33	Indonesia	1	0.1%
34	South Africa	1	0.1%
35	Portugal	1	0.1%
36	Morocco	1	0.1%
37	Viet Nam	1	0.1%