Rank	Countries/Territories	Count	Percent
1	United States	390	38.6%
2	China	334	33.1%
3	Germany	128	12.7%
4	Latvia	50	5%
5	France	24	2.4%
6	Japan	20	2%
7	Singapore	13	1.3%
8	Netherlands	8	0.8%
9	Hong Kong	6	0.6%
10	Australia	5	0.5%
11	Cyprus	5	0.5%
12	Bangladesh	4	0.4%
13	Canada	3	0.3%
14	Switzerland	3	0.3%
15	United Kingdom	3	0.3%
16	Argentina	2	0.2%
17	India	2	0.2%
18	Ireland	2	0.2%
19	Korea, Republic of	2	0.2%
20	Mongolia	2	0.2%
21	Norway	1	0.1%
22	Brazil	1	0.1%
23	Thailand	1	0.1%
24	South Africa	1	0.1%