Rank	Countries/Territories	Count	Percent
1	United States	381	41%
2	China	269	28.9%
3	Germany	103	11.1%
4	France	29	3.1%
5	Japan	28	3%
6	Netherlands	19	2%
7	Switzerland	14	1.5%
8	Spain	13	1.4%
9	Singapore	11	1.2%
10	Canada	9	1%
11	Denmark	8	0.9%
12	Korea, Republic of	8	0.9%
13	Russia	6	0.6%
14	United Kingdom	6	0.6%
15	Sweden	3	0.3%
16	Cyprus	3	0.3%
17	Australia	3	0.3%
18	Argentina	2	0.2%
19	Qatar	2	0.2%
20	India	2	0.2%
21	Iran, Islamic Republic of	2	0.2%
22	Ireland	2	0.2%
23	Taiwan	2	0.2%
24	Ukraine	1	0.1%
25	Slovakia	1	0.1%
26	Hong Kong	1	0.1%
27	Luxembourg	1	0.1%
28	Brazil	1	0.1%