Rank	Countries/Territories	Count	Percent
1	United States	516	38.9%
2	China	407	30.7%
3	Germany	130	9.8%
4	Singapore	42	3.2%
5	Canada	37	2.8%
6	France	37	2.8%
7	Japan	31	2.3%
8		18	1.4%
9	Netherlands	13	1%
10	United Kingdom	12	0.9%
11	Cyprus	11	0.8%
12	Ireland	9	0.7%
13	Australia	8	0.6%
14	Spain	8	0.6%
15	Latvia	5	0.4%
16	Hong Kong	4	0.3%
17	Benin	3	0.2%
18	Russia	3	0.2%
19	Palestine, State of	3	0.2%
20	Peru	3	0.2%
21	Mexico	2	0.2%
22	Switzerland	2	0.2%
23	Taiwan	2	0.2%
24	Ukraine	2	0.2%
25	Brazil	2	0.2%
26	Argentina	2	0.2%
27	India	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Viet Nam	2	0.2%
30	Italy	1	0.1%
31	Korea, Republic of	1	0.1%
32	South Africa	1	0.1%
33	Uruguay	1	0.1%
34	Malaysia	1	0.1%
35	Poland	1	0.1%
36	Portugal	1	0.1%
37	Romania	1	0.1%