Rank	Countries/Territories	Count	Percent
1	United States	516	47.3%
2	China	291	26.6%
3	Germany	102	9.3%
4	France	23	2.1%
5	Netherlands	19	1.7%
6	Portugal	17	1.6%
7	Singapore	17	1.6%
8	Sweden	12	1.1%
9	Iraq	7	0.6%
10	Japan	7	0.6%
11	Korea, Republic of	6	0.5%
12	Hong Kong	6	0.5%
13	India	6	0.5%
14	Mexico	5	0.5%
15	Colombia	5	0.5%
16	Cyprus	5	0.5%
17	Italy	5	0.5%
18	United Kingdom	5	0.5%
19	Ireland	4	0.4%
20	Norway	4	0.4%
21	Australia	4	0.4%
22	Canada	3	0.3%
23	Iran, Islamic Republic of	3	0.3%
24	Peru	3	0.3%
25	South Africa	3	0.3%
26	Spain	3	0.3%
27	Ukraine	2	0.2%
28	Switzerland	2	0.2%
29	Argentina	2	0.2%
30	Dominican Republic	1	0.1%
31	Morocco	1	0.1%
32	Taiwan	1	0.1%
33	Yemen	1	0.1%
34	Russia	1	0.1%