Rank	Countries/Territories	Count	Percent
1	United States	408	43.5%
2	China	218	23.2%
3	Germany	104	11.1%
4	France	38	4.1%
5	Switzerland	21	2.2%
6	Japan	19	2%
7	Korea, Republic of	17	1.8%
8	India	17	1.8%
9	Netherlands	14	1.5%
10	Canada	12	1.3%
11	Cyprus	9	1%
12	Colombia	8	0.9%
13	Singapore	8	0.9%
14	Russia	7	0.7%
15	Australia	6	0.6%
16	Brazil	4	0.4%
17	Hong Kong	4	0.4%
18	Iran, Islamic Republic of	3	0.3%
19	Italy	3	0.3%
20	Turkey	3	0.3%
21	United Kingdom	2	0.2%
22	Taiwan	2	0.2%
23	Mexico	2	0.2%
24	Ireland	2	0.2%
25	Argentina	2	0.2%
26	Austria	2	0.2%
27	Thailand	1	0.1%
28	Spain	1	0.1%
29	Poland	1	0.1%