Rank	Countries/Territories	Count	Percent
1	United States	505	36.9%
2	China	496	36.3%
3	Germany	139	10.2%
4	Japan	48	3.5%
5	France	39	2.9%
6	Singapore	23	1.7%
7	Russia	22	1.6%
8	Poland	18	1.3%
9	United Kingdom	13	1%
10	Cyprus	11	0.8%
11	Netherlands	8	0.6%
12	Latvia	7	0.5%
13	India	7	0.5%
14	Bulgaria	5	0.4%
15	Argentina	3	0.2%
16	Ukraine	3	0.2%
17	Spain	2	0.1%
18	Sweden	2	0.1%
19	Australia	2	0.1%
20	Canada	2	0.1%
21	Hong Kong	2	0.1%
22	Iran, Islamic Republic of	2	0.1%
23	Ireland	2	0.1%
24	Lithuania	2	0.1%
25	Malaysia	1	0.1%
26	Italy	1	0.1%
27	Switzerland	1	0.1%
28	Norway	1	0.1%
29	Portugal	1	0.1%