Rank	Countries/Territories	Count	Percent
1	United States	491	47.5%
2	China	330	31.9%
3	Germany	87	8.4%
4	France	33	3.2%
5	Japan	17	1.6%
6	Singapore	15	1.5%
7	Netherlands	14	1.4%
8	Canada	7	0.7%
9	Cyprus	6	0.6%
10	India	6	0.6%
11	Thailand	5	0.5%
12	Australia	4	0.4%
13	Argentina	3	0.3%
14	Hong Kong	3	0.3%
15	Ukraine	3	0.3%
16	Ireland	2	0.2%
17	Russia	2	0.2%
18	Malaysia	2	0.2%
19	Mongolia	1	0.1%
20	Korea, Republic of	1	0.1%
21	South Africa	1	0.1%
22	Switzerland	1	0.1%