Rank	Countries/Territories	Count	Percent
1	United States	251	42.2%
2	China	224	37.6%
3	Germany	26	4.4%
4	Russia	23	3.9%
5	Japan	10	1.7%
6	Cyprus	7	1.2%
7	France	6	1%
8	Canada	5	0.8%
9	Lithuania	5	0.8%
10	Netherlands	5	0.8%
11	Morocco	4	0.7%
12	Australia	4	0.7%
13	Singapore	4	0.7%
14	India	3	0.5%
15	Argentina	3	0.5%
16	Azerbaijan	2	0.3%
17	Bulgaria	2	0.3%
18	Korea, Republic of	2	0.3%
19	Latvia	2	0.3%
20	Norway	2	0.3%
21	Poland	2	0.3%
22	Romania	1	0.2%
23	Hong Kong	1	0.2%
24	Switzerland	1	0.2%