Rank	Countries/Territories	Count	Percent
1	United States	465	39.2%
2	China	425	35.8%
3	Germany	62	5.2%
4	Latvia	43	3.6%
5	Australia	32	2.7%
6	Canada	23	1.9%
7	Netherlands	22	1.9%
8	India	17	1.4%
9	United Kingdom	13	1.1%
10	Singapore	10	0.8%
11	France	9	0.8%
12	Hong Kong	8	0.7%
13	Ireland	5	0.4%
14	Brazil	5	0.4%
15	Sweden	4	0.3%
16	Thailand	4	0.3%
17	Spain	3	0.3%
18	Romania	3	0.3%
19	Russia	3	0.3%
20	Palestine, State of	3	0.3%
21	Japan	3	0.3%
22	Korea, Republic of	3	0.3%
23	Iran, Islamic Republic of	2	0.2%
24	Bangladesh	2	0.2%
25	Belgium	2	0.2%
26	Croatia	2	0.2%
27	Cyprus	2	0.2%
28	Lithuania	2	0.2%
29	Trinidad and Tobago	2	0.2%
30	Turkey	2	0.2%
31	Taiwan	1	0.1%
32	Mongolia	1	0.1%
33	Philippines	1	0.1%
34	Ethiopia	1	0.1%
35	Argentina	1	0.1%