Rank	Countries/Territories	Count	Percent
1	United States	567	44.4%
2	China	437	34.2%
3	Germany	78	6.1%
4	France	40	3.1%
5	Romania	22	1.7%
6	Japan	18	1.4%
7	Netherlands	15	1.2%
8	Cyprus	14	1.1%
9	United Kingdom	14	1.1%
10	Canada	12	0.9%
11	Poland	7	0.5%
12	India	7	0.5%
13	Lithuania	6	0.5%
14	Korea, Republic of	4	0.3%
15	Singapore	4	0.3%
16	Taiwan	3	0.2%
17	Latvia	3	0.2%
18	Argentina	3	0.2%
19	Australia	3	0.2%
20	Belgium	3	0.2%
21	Hong Kong	2	0.2%
22	Hungary	2	0.2%
23	Macao	2	0.2%
24	Mongolia	2	0.2%
25	South Africa	2	0.2%
26	Ukraine	2	0.2%
27	Turkey	1	0.1%
28	Slovenia	1	0.1%
29	Russia	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Italy	1	0.1%