Rank	Countries/Territories	Count	Percent
1	United States	326	35.8%
2	China	280	30.8%
3	Germany	100	11%
4	Russia	37	4.1%
5	Japan	17	1.9%
6		15	1.6%
7	Singapore	15	1.6%
8	Netherlands	12	1.3%
9	Australia	12	1.3%
10	France	12	1.3%
11	Canada	11	1.2%
12	Sweden	9	1%
13	United Kingdom	9	1%
14	Korea, Republic of	8	0.9%
15	United Arab Emirates	7	0.8%
16	Poland	7	0.8%
17	Cyprus	6	0.7%
18	Iran, Islamic Republic of	4	0.4%
19	Bangladesh	3	0.3%
20	Latvia	3	0.3%
21	Argentina	2	0.2%
22	Ireland	2	0.2%
23	Norway	2	0.2%
24	India	2	0.2%
25	Yemen	2	0.2%
26	Israel	1	0.1%
27	Ukraine	1	0.1%
28	Egypt	1	0.1%
29	Equatorial Guinea	1	0.1%
30	Malaysia	1	0.1%
31	Mexico	1	0.1%
32	Hong Kong	1	0.1%