Rank	Countries/Territories	Count	Percent
1	United States	290	50%
2	China	116	20%
3	Germany	68	11.7%
4	Switzerland	16	2.8%
5	Japan	13	2.2%
6	France	11	1.9%
7	Korea, Republic of	8	1.4%
8	Portugal	7	1.2%
9	Turkey	7	1.2%
10	United Kingdom	6	1%
11	India	6	1%
12	Netherlands	5	0.9%
13	Malaysia	3	0.5%
14	Cyprus	3	0.5%
15	Brazil	3	0.5%
16	Austria	2	0.3%
17	Hong Kong	2	0.3%
18	Iran, Islamic Republic of	2	0.3%
19	Italy	2	0.3%
20	Taiwan	2	0.3%
21	Thailand	2	0.3%
22	Singapore	2	0.3%
23	Sweden	2	0.3%
24	Russia	1	0.2%
25	Indonesia	1	0.2%