Rank	Countries/Territories	Count	Percent
1	United States	342	36.8%
2	China	262	28.2%
3	Germany	171	18.4%
4	France	23	2.5%
5	Singapore	20	2.2%
6	Japan	18	1.9%
7	Canada	17	1.8%
8	Switzerland	9	1%
9	Netherlands	8	0.9%
10		8	0.9%
11	Korea, Republic of	7	0.8%
12	Russia	6	0.6%
13	Spain	5	0.5%
14	Australia	5	0.5%
15	Cyprus	5	0.5%
16	India	4	0.4%
17	Italy	3	0.3%
18	Austria	3	0.3%
19	United Kingdom	3	0.3%
20	Argentina	2	0.2%
21	Hong Kong	2	0.2%
22	Lithuania	2	0.2%
23	Mongolia	1	0.1%
24	Norway	1	0.1%
25	Portugal	1	0.1%
26	Romania	1	0.1%