Rank	Countries/Territories	Count	Percent
1	United States	491	32.1%
2	China	462	30.2%
3	Germany	128	8.4%
4	India	123	8%
5	Japan	38	2.5%
6	Norway	38	2.5%
7	Canada	37	2.4%
8	Australia	22	1.4%
9	Russia	21	1.4%
10	Brazil	16	1%
11	Singapore	15	1%
12	Netherlands	15	1%
13	Korea, Republic of	14	0.9%
14	Morocco	11	0.7%
15	United Kingdom	11	0.7%
16	Switzerland	11	0.7%
17	Serbia	10	0.7%
18	France	10	0.7%
19	Austria	9	0.6%
20	Hong Kong	7	0.5%
21	Cyprus	5	0.3%
22	Iran, Islamic Republic of	4	0.3%
23	Ireland	4	0.3%
24	Argentina	3	0.2%
25	Cote D'ivoire	3	0.2%
26	Taiwan	3	0.2%
27	Malaysia	2	0.1%
28	Poland	2	0.1%
29	Qatar	2	0.1%
30	Romania	2	0.1%
31	Israel	2	0.1%
32	Czech Republic	2	0.1%
33	Finland	1	0.1%
34	Colombia	1	0.1%
35	Pakistan	1	0.1%
36	Tunisia	1	0.1%
37	Sweden	1	0.1%
38	Viet Nam	1	0.1%