Rank	Countries/Territories	Count	Percent
1	United States	420	36.7%
2	China	357	31.2%
3	Germany	152	13.3%
4	India	38	3.3%
5		37	3.2%
6	Japan	26	2.3%
7	France	25	2.2%
8	United Kingdom	16	1.4%
9	Singapore	8	0.7%
10	Netherlands	8	0.7%
11	Ireland	7	0.6%
12	Russia	7	0.6%
13	Korea, Republic of	7	0.6%
14	Canada	4	0.3%
15	Egypt	4	0.3%
16	Latvia	3	0.3%
17	Norway	3	0.3%
18	Romania	2	0.2%
19	Taiwan	2	0.2%
20	Turkey	2	0.2%
21	Hong Kong	2	0.2%
22	Cyprus	2	0.2%
23	Australia	2	0.2%
24	Bangladesh	2	0.2%
25	Argentina	1	0.1%
26	Indonesia	1	0.1%
27	Lithuania	1	0.1%
28	Luxembourg	1	0.1%
29	Malaysia	1	0.1%
30	Thailand	1	0.1%
31	Poland	1	0.1%
32	Portugal	1	0.1%