Rank	Countries/Territories	Count	Percent
1	United States	447	39.8%
2	China	431	38.4%
3	Germany	63	5.6%
4	Japan	35	3.1%
5	Korea, Republic of	23	2%
6	France	21	1.9%
7	Singapore	21	1.9%
8	India	17	1.5%
9	Russia	10	0.9%
10	Netherlands	6	0.5%
11	Belgium	6	0.5%
12	Canada	5	0.4%
13	Turkey	5	0.4%
14	United Kingdom	4	0.4%
15	Cyprus	4	0.4%
16	Australia	3	0.3%
17	Malta	3	0.3%
18	Ukraine	2	0.2%
19	Spain	2	0.2%
20	Bangladesh	2	0.2%
21	Argentina	2	0.2%
22	Iran, Islamic Republic of	2	0.2%
23	Ireland	2	0.2%
24	Hong Kong	2	0.2%
25	Latvia	2	0.2%
26	Malaysia	1	0.1%
27	Norway	1	0.1%
28	Poland	1	0.1%