Rank	Countries/Territories	Count	Percent
1	United States	421	46.4%
2	China	223	24.6%
3	Germany	98	10.8%
4	India	41	4.5%
5	Japan	29	3.2%
6	Canada	23	2.5%
7	France	10	1.1%
8	Singapore	8	0.9%
9	United Kingdom	7	0.8%
10	Iran, Islamic Republic of	7	0.8%
11	Cyprus	5	0.6%
12	Netherlands	5	0.6%
13	Russia	4	0.4%
14	Malaysia	4	0.4%
15	Spain	4	0.4%
16	Korea, Republic of	3	0.3%
17	Kazakhstan	2	0.2%
18	Mexico	2	0.2%
19	Finland	2	0.2%
20	Brazil	2	0.2%
21	Ireland	2	0.2%
22	Taiwan	2	0.2%
23	Turkey	1	0.1%
24	Ukraine	1	0.1%
25	Italy	1	0.1%
26	Luxembourg	1	0.1%