Rank	Countries/Territories	Count	Percent
1	United States	348	37.6%
2	China	218	23.6%
3	Germany	100	10.8%
4	Latvia	64	6.9%
5	India	44	4.8%
6	Russia	20	2.2%
7	Hong Kong	19	2.1%
8	Japan	18	1.9%
9	Ukraine	15	1.6%
10	France	15	1.6%
11	Australia	7	0.8%
12	Senegal	7	0.8%
13	Singapore	7	0.8%
14	Cyprus	6	0.6%
15	Canada	5	0.5%
16	Mauritius	4	0.4%
17	Argentina	3	0.3%
18	Bangladesh	3	0.3%
19	Jordan	3	0.3%
20	United Kingdom	3	0.3%
21	South Africa	2	0.2%
22	Switzerland	2	0.2%
23	Tanzania, United Republic of	2	0.2%
24	Turkey	2	0.2%
25	Netherlands	2	0.2%
26	Pakistan	2	0.2%
27	Indonesia	1	0.1%
28	Colombia	1	0.1%
29	Korea, Republic of	1	0.1%
30	Serbia	1	0.1%