Rank	Countries/Territories	Count	Percent
1	United States	223	35.2%
2	China	209	33%
3	Germany	51	8%
4	India	40	6.3%
5	Japan	18	2.8%
6	Italy	17	2.7%
7	Iran, Islamic Republic of	14	2.2%
8	Egypt	13	2.1%
9	Ecuador	8	1.3%
10	Netherlands	7	1.1%
11	United Kingdom	6	0.9%
12	Taiwan	4	0.6%
13	Ireland	4	0.6%
14	Russia	3	0.5%
15	Singapore	3	0.5%
16	Cyprus	3	0.5%
17	Australia	3	0.5%
18	Belgium	2	0.3%
19	Argentina	2	0.3%
20	Jordan	2	0.3%
21	France	1	0.2%
22	Ukraine	1	0.2%