Rank	Countries/Territories	Count	Percent
1	United States	213	34.7%
2	China	201	32.8%
3	Germany	83	13.5%
4	Japan	13	2.1%
5	Switzerland	12	2%
6	Korea, Republic of	11	1.8%
7	India	11	1.8%
8	France	11	1.8%
9	Canada	11	1.8%
10	Netherlands	10	1.6%
11	Ireland	6	1%
12	Russia	6	1%
13	Brazil	5	0.8%
14	Argentina	2	0.3%
15	Bangladesh	2	0.3%
16	Hong Kong	2	0.3%
17	Cyprus	2	0.3%
18	Norway	2	0.3%
19	Singapore	2	0.3%
20	Sweden	2	0.3%
21	Portugal	2	0.3%
22	Thailand	1	0.2%
23	United Kingdom	1	0.2%
24	Oman	1	0.2%
25	Indonesia	1	0.2%