Rank	Countries/Territories	Count	Percent
1	United States	206	37.1%
2	China	125	22.5%
3	Germany	88	15.8%
4	Japan	25	4.5%
5	Australia	16	2.9%
6	France	14	2.5%
7	India	12	2.2%
8	Iran, Islamic Republic of	10	1.8%
9	Singapore	7	1.3%
10	Netherlands	6	1.1%
11	Nigeria	4	0.7%
12	Thailand	4	0.7%
13	Hong Kong	4	0.7%
14	Cyprus	4	0.7%
15	Belgium	3	0.5%
16	Ireland	3	0.5%
17	Russia	3	0.5%
18	United Kingdom	2	0.4%
19	Spain	2	0.4%
20	Mexico	2	0.4%
21	Canada	2	0.4%
22	Ethiopia	2	0.4%
23	Austria	2	0.4%
24	Azerbaijan	2	0.4%
25	Bangladesh	2	0.4%
26	Italy	1	0.2%
27	Korea, Republic of	1	0.2%
28	New Zealand	1	0.2%
29	Taiwan	1	0.2%
30	Pakistan	1	0.2%
31	Romania	1	0.2%