Rank	Countries/Territories	Count	Percent
1	United States	250	38.2%
2	China	230	35.1%
3	Germany	42	6.4%
4	Latvia	16	2.4%
5	France	14	2.1%
6	Japan	13	2%
7	Netherlands	11	1.7%
8	Russia	10	1.5%
9	Canada	10	1.5%
10	Cyprus	7	1.1%
11	Australia	7	1.1%
12	Korea, Republic of	7	1.1%
13	India	7	1.1%
14	Bulgaria	6	0.9%
15	Singapore	4	0.6%
16	Spain	3	0.5%
17	Sweden	2	0.3%
18	Switzerland	2	0.3%
19	Argentina	2	0.3%
20	Bosnia and Herzegovina	2	0.3%
21	Uruguay	2	0.3%
22	Tanzania, United Republic of	2	0.3%
23	Ukraine	1	0.2%
24	Norway	1	0.2%
25	Brazil	1	0.2%
26	Taiwan	1	0.2%
27	Greece	1	0.2%
28	Hong Kong	1	0.2%