Rank	Countries/Territories	Count	Percent
1	United States	510	44.1%
2	China	386	33.4%
3	Germany	98	8.5%
4		38	3.3%
5	India	19	1.6%
6	Singapore	13	1.1%
7	Japan	11	1%
8	Korea, Republic of	8	0.7%
9	Netherlands	8	0.7%
10	United Kingdom	8	0.7%
11	Australia	6	0.5%
12	Cyprus	6	0.5%
13	Canada	6	0.5%
14	Ireland	5	0.4%
15	Hong Kong	5	0.4%
16	France	3	0.3%
17	Russia	3	0.3%
18	Norway	3	0.3%
19	Poland	2	0.2%
20	Turkey	2	0.2%
21	Ukraine	2	0.2%
22	South Africa	2	0.2%
23	Bulgaria	2	0.2%
24	Latvia	2	0.2%
25	Malaysia	2	0.2%
26	Mongolia	2	0.2%
27	Kuwait	1	0.1%
28	Bangladesh	1	0.1%
29	Argentina	1	0.1%
30	Sweden	1	0.1%
31	Taiwan	1	0.1%