Rank	Countries/Territories	Count	Percent
1	United States	275	34.1%
2	China	237	29.4%
3	Germany	152	18.9%
4	France	23	2.9%
5	Singapore	20	2.5%
6	Japan	18	2.2%
7	Canada	17	2.1%
8	Switzerland	9	1.1%
9		8	1%
10	Netherlands	8	1%
11	Korea, Republic of	7	0.9%
12	Australia	5	0.6%
13	Spain	5	0.6%
14	Cyprus	4	0.5%
15	Russia	4	0.5%
16	Italy	3	0.4%
17	Lithuania	2	0.2%
18	Hong Kong	2	0.2%
19	India	2	0.2%
20	United Kingdom	2	0.2%
21	Mongolia	1	0.1%
22	Norway	1	0.1%
23	Portugal	1	0.1%