Rank	Countries/Territories	Count	Percent
1	United States	403	37.1%
2	China	381	35.1%
3	Germany	105	9.7%
4	Latvia	49	4.5%
5	France	30	2.8%
6	Japan	17	1.6%
7	Korea, Republic of	15	1.4%
8	Norway	15	1.4%
9	Singapore	12	1.1%
10	Ireland	12	1.1%
11	Australia	11	1%
12	Netherlands	9	0.8%
13	Malaysia	6	0.6%
14	Canada	5	0.5%
15	Argentina	3	0.3%
16	Cyprus	3	0.3%
17	Hong Kong	2	0.2%
18	India	2	0.2%
19	Bangladesh	2	0.2%
20	Ukraine	2	0.2%
21	Mongolia	1	0.1%
22	Switzerland	1	0.1%