Rank	Countries/Territories	Count	Percent
1	United States	343	45.8%
2	China	208	27.8%
3	Germany	59	7.9%
4	France	34	4.5%
5		29	3.9%
6	Singapore	15	2%
7	Canada	10	1.3%
8	Netherlands	10	1.3%
9	Japan	7	0.9%
10	Cyprus	3	0.4%
11	Australia	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	Brazil	2	0.3%
17	Hong Kong	2	0.3%
18	India	2	0.3%
19	Iran, Islamic Republic of	2	0.3%
20	Poland	2	0.3%
21	Mongolia	2	0.3%
22	Morocco	1	0.1%
23	Egypt	1	0.1%
24	Korea, Republic of	1	0.1%
25	Lithuania	1	0.1%
26	Israel	1	0.1%
27	Bangladesh	1	0.1%