Rank	Countries/Territories	Count	Percent
1	United States	654	38.4%
2	China	575	33.8%
3	Germany	148	8.7%
4	France	41	2.4%
5		39	2.3%
6	Japan	36	2.1%
7	Korea, Republic of	36	2.1%
8	Latvia	32	1.9%
9	Canada	23	1.4%
10	Netherlands	17	1%
11	Indonesia	12	0.7%
12	Belgium	10	0.6%
13	Singapore	9	0.5%
14	Russia	8	0.5%
15	United Kingdom	8	0.5%
16	Cyprus	7	0.4%
17	Australia	7	0.4%
18	Iran, Islamic Republic of	6	0.4%
19	Ireland	6	0.4%
20	Hong Kong	5	0.3%
21	India	4	0.2%
22	Bangladesh	2	0.1%
23	Thailand	2	0.1%
24	Nigeria	2	0.1%
25	Norway	2	0.1%
26	Poland	2	0.1%
27	Lesotho	2	0.1%
28	Mongolia	1	0.1%
29	Taiwan	1	0.1%
30	Uzbekistan	1	0.1%
31	Argentina	1	0.1%
32	Bulgaria	1	0.1%
33	Italy	1	0.1%