Rank	Countries/Territories	Count	Percent
1	United States	522	36.6%
2	China	484	33.9%
3	Germany	126	8.8%
4	Japan	51	3.6%
5	Latvia	48	3.4%
6	Sweden	32	2.2%
7	India	27	1.9%
8	Canada	21	1.5%
9	Netherlands	15	1.1%
10	France	13	0.9%
11	Ukraine	12	0.8%
12	Singapore	9	0.6%
13	Cyprus	9	0.6%
14	Korea, Republic of	8	0.6%
15	Iran, Islamic Republic of	7	0.5%
16	Portugal	7	0.5%
17	Spain	4	0.3%
18	Hong Kong	3	0.2%
19	Australia	3	0.2%
20	Morocco	2	0.1%
21	Lithuania	2	0.1%
22	Poland	2	0.1%
23	Russia	2	0.1%
24	New Zealand	2	0.1%
25	United Arab Emirates	2	0.1%
26	Viet Nam	2	0.1%
27	United Kingdom	1	0.1%
28	Switzerland	1	0.1%
29	Turkey	1	0.1%
30	Philippines	1	0.1%
31	South Africa	1	0.1%
32	Mongolia	1	0.1%
33	Italy	1	0.1%
34	Bangladesh	1	0.1%
35	Bulgaria	1	0.1%
36	Argentina	1	0.1%
37	Egypt	1	0.1%