Rank	Countries/Territories	Count	Percent
1	United States	596	43%
2	China	384	27.7%
3	Germany	112	8.1%
4	Canada	77	5.6%
5	Russia	30	2.2%
6	Japan	26	1.9%
7	Korea, Republic of	15	1.1%
8	Latvia	15	1.1%
9	Ireland	14	1%
10	Morocco	13	0.9%
11	India	12	0.9%
12	Netherlands	11	0.8%
13	Hong Kong	10	0.7%
14	Iran, Islamic Republic of	5	0.4%
15	Cyprus	5	0.4%
16	Taiwan	5	0.4%
17	United Kingdom	5	0.4%
18	Sweden	4	0.3%
19	Australia	4	0.3%
20	Brazil	3	0.2%
21	Czech Republic	3	0.2%
22	France	3	0.2%
23	Mongolia	3	0.2%
24	Singapore	3	0.2%
25	Norway	3	0.2%
26	Portugal	3	0.2%
27	Malaysia	2	0.1%
28	Slovenia	2	0.1%
29	Thailand	2	0.1%
30	Turkey	2	0.1%
31	Denmark	2	0.1%
32	Egypt	2	0.1%
33	Austria	2	0.1%
34	Bangladesh	2	0.1%
35	Argentina	1	0.1%
36	Italy	1	0.1%
37	Chile	1	0.1%
38	Spain	1	0.1%
39	Viet Nam	1	0.1%