Rank	Countries/Territories	Count	Percent
1	United States	460	46.7%
2	China	241	24.5%
3	Germany	82	8.3%
4	France	76	7.7%
5	India	20	2%
6	Japan	15	1.5%
7	Russia	7	0.7%
8	Saudi Arabia	6	0.6%
9	Netherlands	6	0.6%
10	Korea, Republic of	5	0.5%
11	Mongolia	5	0.5%
12	Singapore	5	0.5%
13	Cyprus	5	0.5%
14	Australia	5	0.5%
15	Thailand	4	0.4%
16	Jordan	3	0.3%
17	Iran, Islamic Republic of	3	0.3%
18	Italy	3	0.3%
19	Canada	3	0.3%
20	Argentina	2	0.2%
21	Hong Kong	2	0.2%
22	Bangladesh	2	0.2%
23	Bulgaria	2	0.2%
24	Cambodia	2	0.2%
25	Czech Republic	2	0.2%
26	Dominican Republic	2	0.2%
27	New Zealand	2	0.2%
28	Pakistan	2	0.2%
29	Turkey	2	0.2%
30	United Kingdom	2	0.2%
31	Qatar	2	0.2%
32	Romania	1	0.1%
33	Spain	1	0.1%
34	Taiwan	1	0.1%
35	Peru	1	0.1%
36	Poland	1	0.1%
37	Greece	1	0.1%