Rank	Countries/Territories	Count	Percent
1	United States	473	47%
2	China	162	16.1%
3	Germany	114	11.3%
4	Korea, Republic of	41	4.1%
5	Canada	39	3.9%
6	France	34	3.4%
7	Netherlands	30	3%
8	Japan	15	1.5%
9	Australia	14	1.4%
10	India	12	1.2%
11	Iran, Islamic Republic of	12	1.2%
12	Taiwan	9	0.9%
13	Singapore	9	0.9%
14	Sweden	5	0.5%
15	Ireland	5	0.5%
16	Brazil	5	0.5%
17	Poland	4	0.4%
18	Saudi Arabia	4	0.4%
19	Cyprus	3	0.3%
20	United Kingdom	3	0.3%
21	Switzerland	2	0.2%
22	Barbados	2	0.2%
23	Austria	2	0.2%
24	New Zealand	2	0.2%
25	Hong Kong	2	0.2%
26	Bangladesh	1	0.1%
27	South Africa	1	0.1%
28	Ukraine	1	0.1%