Rank	Countries/Territories	Count	Percent
1	United States	459	39.8%
2	China	323	28%
3	Germany	138	12%
4	France	40	3.5%
5	Japan	21	1.8%
6	Netherlands	21	1.8%
7	India	19	1.6%
8	Canada	17	1.5%
9	Switzerland	14	1.2%
10	Cyprus	13	1.1%
11	Norway	12	1%
12	Singapore	10	0.9%
13	Taiwan	10	0.9%
14	Turkey	9	0.8%
15	Brazil	6	0.5%
16	Korea, Republic of	5	0.4%
17	United Kingdom	5	0.4%
18	Ukraine	3	0.3%
19	Spain	3	0.3%
20	Greece	3	0.3%
21	Bulgaria	3	0.3%
22	Australia	3	0.3%
23	Hong Kong	2	0.2%
24	Ireland	2	0.2%
25	Malaysia	2	0.2%
26	New Zealand	2	0.2%
27	Sweden	2	0.2%
28	Thailand	2	0.2%
29	Russia	2	0.2%
30	Poland	1	0.1%
31	Argentina	1	0.1%
32	Dominica	1	0.1%