Rank	Countries/Territories	Count	Percent
1	United States	579	42.6%
2	China	385	28.3%
3	Germany	165	12.1%
4	Japan	42	3.1%
5	Latvia	42	3.1%
6	Russia	39	2.9%
7	India	27	2%
8	Singapore	16	1.2%
9	Netherlands	8	0.6%
10	Hong Kong	7	0.5%
11	Ireland	6	0.4%
12	Australia	6	0.4%
13	France	6	0.4%
14	Argentina	4	0.3%
15	Canada	4	0.3%
16	Mongolia	4	0.3%
17	Korea, Republic of	4	0.3%
18	Cyprus	3	0.2%
19	Brazil	3	0.2%
20	Bangladesh	2	0.1%
21	Finland	2	0.1%
22	Norway	2	0.1%
23	United Arab Emirates	1	0.1%
24	United Kingdom	1	0.1%
25	Bulgaria	1	0.1%