Rank	Countries/Territories	Count	Percent
1	United States	437	44.7%
2	China	281	28.7%
3	Germany	105	10.7%
4	Canada	20	2%
5	Japan	19	1.9%
6	Singapore	15	1.5%
7	United Kingdom	14	1.4%
8	France	12	1.2%
9	Australia	12	1.2%
10	Hong Kong	12	1.2%
11	Cyprus	7	0.7%
12	Netherlands	7	0.7%
13	Poland	6	0.6%
14	Switzerland	5	0.5%
15	Russia	3	0.3%
16	Korea, Republic of	3	0.3%
17	Iran, Islamic Republic of	3	0.3%
18	Ireland	3	0.3%
19	Romania	2	0.2%
20	India	2	0.2%
21	Belgium	2	0.2%
22	Spain	2	0.2%
23	Ukraine	2	0.2%
24	Taiwan	1	0.1%
25	South Africa	1	0.1%
26	Austria	1	0.1%
27	Malaysia	1	0.1%