Rank	Countries/Territories	Count	Percent
1	United States	508	37.2%
2	China	398	29.2%
3	Germany	175	12.8%
4	Latvia	62	4.5%
5	Japan	36	2.6%
6	France	17	1.2%
7	Ukraine	16	1.2%
8	Australia	14	1%
9	Singapore	10	0.7%
10	Netherlands	9	0.7%
11	Turkey	9	0.7%
12	South Africa	7	0.5%
13	Poland	7	0.5%
14	Russia	7	0.5%
15	Canada	7	0.5%
16	Egypt	7	0.5%
17	India	6	0.4%
18	Ecuador	6	0.4%
19	Korea, Republic of	6	0.4%
20	Cyprus	5	0.4%
21	Austria	5	0.4%
22	Argentina	5	0.4%
23	Iran, Islamic Republic of	5	0.4%
24	United Kingdom	5	0.4%
25	Hong Kong	4	0.3%
26	Italy	4	0.3%
27	Romania	3	0.2%
28	Spain	3	0.2%
29	Sweden	3	0.2%
30	Mongolia	2	0.1%
31	Ireland	2	0.1%
32	Israel	2	0.1%
33	Greece	2	0.1%
34	Brazil	2	0.1%
35	Czech Republic	2	0.1%
36	Bangladesh	1	0.1%
37	Norway	1	0.1%
38	Hungary	1	0.1%