Rank	Countries/Territories	Count	Percent
1	United States	334	49%
2	China	182	26.7%
3	Germany	59	8.7%
4	France	27	4%
5	Singapore	15	2.2%
6	Canada	9	1.3%
7	Netherlands	9	1.3%
8	Japan	6	0.9%
9		6	0.9%
10	Australia	3	0.4%
11	Cyprus	3	0.4%
12	Taiwan	3	0.4%
13	Ukraine	3	0.4%
14	United Kingdom	2	0.3%
15	Slovakia	2	0.3%
16	Poland	2	0.3%
17	Mongolia	2	0.3%
18	Brazil	2	0.3%
19	Hong Kong	2	0.3%
20	India	2	0.3%
21	Iran, Islamic Republic of	2	0.3%
22	Israel	1	0.1%
23	Bangladesh	1	0.1%
24	Morocco	1	0.1%
25	Egypt	1	0.1%
26	Korea, Republic of	1	0.1%
27	Lithuania	1	0.1%