Rank	Countries/Territories	Count	Percent
1	United States	470	48.2%
2	China	233	23.9%
3	Germany	107	11%
4	Latvia	30	3.1%
5	France	14	1.4%
6	Japan	12	1.2%
7	Canada	11	1.1%
8	Netherlands	11	1.1%
9	Russia	10	1%
10	India	10	1%
11	Cyprus	10	1%
12	Ireland	9	0.9%
13	Singapore	6	0.6%
14	Korea, Republic of	6	0.6%
15	Australia	5	0.5%
16	United Kingdom	5	0.5%
17	Hong Kong	4	0.4%
18	Sweden	3	0.3%
19	Malaysia	3	0.3%
20	Viet Nam	2	0.2%
21	Iran, Islamic Republic of	2	0.2%
22	Bangladesh	2	0.2%
23	Albania	1	0.1%
24	Argentina	1	0.1%
25	Georgia	1	0.1%
26	Ghana	1	0.1%
27	Guatemala	1	0.1%
28	Switzerland	1	0.1%
29	Ukraine	1	0.1%
30	Lithuania	1	0.1%
31	Nigeria	1	0.1%
32	Norway	1	0.1%
33	Poland	1	0.1%