Rank	Countries/Territories	Count	Percent
1	United States	312	37.5%
2	China	301	36.2%
3	Germany	58	7%
4	Canada	19	2.3%
5	France	18	2.2%
6		18	2.2%
7	Japan	18	2.2%
8	United Kingdom	12	1.4%
9	Netherlands	12	1.4%
10	India	9	1.1%
11	Portugal	5	0.6%
12	Singapore	5	0.6%
13	Norway	4	0.5%
14	Morocco	4	0.5%
15	Cyprus	4	0.5%
16	Argentina	3	0.4%
17	Australia	3	0.4%
18	Korea, Republic of	3	0.4%
19	Slovakia	3	0.4%
20	Spain	3	0.4%
21	Sweden	3	0.4%
22	South Africa	2	0.2%
23	Russia	2	0.2%
24	Mexico	2	0.2%
25	Ireland	2	0.2%
26	Cote D'ivoire	2	0.2%
27	Finland	1	0.1%
28	Hong Kong	1	0.1%
29	Malaysia	1	0.1%
30	Nigeria	1	0.1%