Rank	Countries/Territories	Count	Percent
1	United States	521	54.5%
2	China	209	21.9%
3	Germany	77	8.1%
4	Singapore	35	3.7%
5	France	29	3%
6	Japan	20	2.1%
7	Netherlands	9	0.9%
8	Canada	8	0.8%
9	Belarus	6	0.6%
10	Korea, Republic of	6	0.6%
11	Taiwan	6	0.6%
12	Russia	5	0.5%
13	Australia	5	0.5%
14	Cyprus	5	0.5%
15	Hong Kong	4	0.4%
16	Mongolia	3	0.3%
17	India	2	0.2%
18	Brazil	2	0.2%
19	Austria	1	0.1%
20	Malaysia	1	0.1%
21	Nepal	1	0.1%
22	Norway	1	0.1%