Rank	Countries/Territories	Count	Percent
1	China	237	38.2%
2	United States	236	38.1%
3	Germany	47	7.6%
4	Japan	16	2.6%
5	India	13	2.1%
6	Iran, Islamic Republic of	11	1.8%
7	Korea, Republic of	10	1.6%
8	Brazil	7	1.1%
9	France	7	1.1%
10	Taiwan	5	0.8%
11	Ireland	3	0.5%
12	Cyprus	3	0.5%
13	Netherlands	3	0.5%
14	Norway	3	0.5%
15	Russia	3	0.5%
16	Singapore	2	0.3%
17	Spain	2	0.3%
18	Sweden	2	0.3%
19	Mexico	2	0.3%
20	Australia	2	0.3%
21	United Kingdom	2	0.3%
22	Thailand	1	0.2%
23	Ukraine	1	0.2%
24	Belgium	1	0.2%
25	Canada	1	0.2%