Rank	Countries/Territories	Count	Percent
1	United States	394	33.1%
2	China	391	32.8%
3	Germany	72	6%
4	India	51	4.3%
5	Australia	37	3.1%
6	Korea, Republic of	37	3.1%
7	Russia	25	2.1%
8	Japan	21	1.8%
9	Netherlands	16	1.3%
10	Canada	15	1.3%
11	United Kingdom	14	1.2%
12	France	12	1%
13	Taiwan	11	0.9%
14	Iran, Islamic Republic of	10	0.8%
15	Turkey	9	0.8%
16	Portugal	7	0.6%
17	Hong Kong	7	0.6%
18	Cote D'ivoire	7	0.6%
19	Denmark	5	0.4%
20	Brazil	5	0.4%
21	Ireland	5	0.4%
22	Singapore	5	0.4%
23	Viet Nam	4	0.3%
24	Egypt	4	0.3%
25	Cyprus	4	0.3%
26	Belgium	3	0.3%
27	Italy	3	0.3%
28	Spain	3	0.3%
29	Norway	3	0.3%
30	Mexico	3	0.3%
31	Romania	2	0.2%
32	Ukraine	2	0.2%
33	Sweden	1	0.1%
34	Slovakia	1	0.1%
35	Qatar	1	0.1%
36	Poland	1	0.1%
37	Greece	1	0.1%