Rank	Countries/Territories	Count	Percent
1	United States	497	37.7%
2	China	478	36.2%
3	Germany	125	9.5%
4	India	39	3%
5	Japan	23	1.7%
6	France	21	1.6%
7	Singapore	12	0.9%
8	Canada	10	0.8%
9	Czech Republic	10	0.8%
10	Cyprus	8	0.6%
11	Spain	8	0.6%
12	Russia	7	0.5%
13	Korea, Republic of	7	0.5%
14	Netherlands	7	0.5%
15	United Kingdom	7	0.5%
16	Taiwan	6	0.5%
17	Australia	6	0.5%
18	Ireland	5	0.4%
19	Argentina	4	0.3%
20	Egypt	4	0.3%
21	Finland	4	0.3%
22	Luxembourg	4	0.3%
23	Israel	3	0.2%
24	Italy	3	0.2%
25	Lithuania	3	0.2%
26	Algeria	2	0.2%
27	Azerbaijan	2	0.2%
28	New Zealand	2	0.2%
29	Mexico	2	0.2%
30	Uganda	2	0.2%
31	South Africa	2	0.2%
32	Saudi Arabia	1	0.1%
33	Ukraine	1	0.1%
34	Mongolia	1	0.1%
35	Romania	1	0.1%
36	Malaysia	1	0.1%
37	Latvia	1	0.1%
38	Hong Kong	1	0.1%