Rank	Countries/Territories	Count	Percent
1	United States	642	39.6%
2	China	570	35.1%
3	Germany	96	5.9%
4	Japan	87	5.4%
5	Latvia	45	2.8%
6	Canada	23	1.4%
7	Singapore	21	1.3%
8		20	1.2%
9	Netherlands	13	0.8%
10	France	12	0.7%
11	Korea, Republic of	11	0.7%
12	Ireland	11	0.7%
13	United Kingdom	8	0.5%
14	Ukraine	7	0.4%
15	Argentina	6	0.4%
16	India	5	0.3%
17	Cyprus	5	0.3%
18	Hong Kong	4	0.2%
19	Bulgaria	4	0.2%
20	Austria	4	0.2%
21	Nigeria	4	0.2%
22	South Africa	3	0.2%
23	Viet Nam	3	0.2%
24	Sweden	2	0.1%
25	Mongolia	2	0.1%
26	Bangladesh	2	0.1%
27	Belgium	2	0.1%
28	Brazil	2	0.1%
29	Australia	2	0.1%
30	Italy	2	0.1%
31	Iran, Islamic Republic of	1	0.1%
32	Qatar	1	0.1%
33	Russia	1	0.1%
34	Saudi Arabia	1	0.1%