Rank	Countries/Territories	Count	Percent
1	United States	298	39.5%
2	China	259	34.3%
3	Germany	92	12.2%
4	Korea, Republic of	19	2.5%
5	Ukraine	16	2.1%
6	Japan	15	2%
7	Netherlands	11	1.5%
8	India	6	0.8%
9	Iran, Islamic Republic of	6	0.8%
10	Taiwan	6	0.8%
11	Latvia	3	0.4%
12	Jordan	3	0.4%
13	Australia	3	0.4%
14	Cyprus	3	0.4%
15	Hong Kong	2	0.3%
16	Russia	2	0.3%
17	Singapore	2	0.3%
18	Turkey	2	0.3%
19	Canada	2	0.3%
20	United Kingdom	1	0.1%
21	Sweden	1	0.1%
22	Brazil	1	0.1%
23	Egypt	1	0.1%
24	France	1	0.1%