Rank	Countries/Territories	Count	Percent
1	United States	469	42.7%
2	China	318	29%
3	Germany	96	8.7%
4	Japan	29	2.6%
5	India	27	2.5%
6	Iran, Islamic Republic of	26	2.4%
7	France	24	2.2%
8	Brazil	17	1.5%
9	Canada	14	1.3%
10	Hong Kong	9	0.8%
11	Korea, Republic of	9	0.8%
12	Netherlands	9	0.8%
13	Australia	7	0.6%
14	Ireland	6	0.5%
15	United Kingdom	6	0.5%
16	Bangladesh	5	0.5%
17	Taiwan	4	0.4%
18	Russia	4	0.4%
19	Cyprus	3	0.3%
20	Belgium	2	0.2%
21	Italy	2	0.2%
22	Indonesia	2	0.2%
23	Latvia	2	0.2%
24	Singapore	2	0.2%
25	Sweden	2	0.2%
26	Ukraine	2	0.2%
27	Lithuania	1	0.1%
28	Hungary	1	0.1%