Rank	Countries/Territories	Count	Percent
1	United States	286	40.9%
2	China	203	29%
3	Germany	56	8%
4	India	31	4.4%
5	Japan	24	3.4%
6	Korea, Republic of	20	2.9%
7	Netherlands	11	1.6%
8	Singapore	6	0.9%
9	France	6	0.9%
10	Italy	5	0.7%
11	Cyprus	5	0.7%
12	Taiwan	5	0.7%
13	Peru	5	0.7%
14	Egypt	3	0.4%
15	Iran, Islamic Republic of	3	0.4%
16	Hong Kong	3	0.4%
17	Kazakhstan	2	0.3%
18	Finland	2	0.3%
19	Croatia	2	0.3%
20	Australia	2	0.3%
21	Bangladesh	2	0.3%
22	Canada	2	0.3%
23	Poland	2	0.3%
24	Luxembourg	2	0.3%
25	Ukraine	2	0.3%
26	Yemen	1	0.1%
27	Turkey	1	0.1%
28	Spain	1	0.1%
29	Malaysia	1	0.1%
30	Moldova, Republic of	1	0.1%
31	Lithuania	1	0.1%
32	Russia	1	0.1%
33	Argentina	1	0.1%
34	Bulgaria	1	0.1%