Rank	Countries/Territories	Count	Percent
1	United States	558	43.2%
2	China	456	35.3%
3	Germany	111	8.6%
4	France	27	2.1%
5	Canada	23	1.8%
6	Australia	17	1.3%
7	Cyprus	10	0.8%
8	Nigeria	10	0.8%
9	Russia	8	0.6%
10	Netherlands	8	0.6%
11	Bulgaria	8	0.6%
12	Singapore	7	0.5%
13	Spain	7	0.5%
14	Argentina	6	0.5%
15	Latvia	5	0.4%
16	India	4	0.3%
17	Japan	3	0.2%
18	South Africa	3	0.2%
19	Switzerland	2	0.2%
20	Norway	2	0.2%
21	Pakistan	2	0.2%
22	Ukraine	2	0.2%
23	Ireland	2	0.2%
24	Austria	2	0.2%
25	Bangladesh	2	0.2%
26	Malaysia	1	0.1%
27	Iran, Islamic Republic of	1	0.1%
28	Hong Kong	1	0.1%
29	Hungary	1	0.1%
30	Romania	1	0.1%
31	Taiwan	1	0.1%