Rank	Countries/Territories	Count	Percent
1	United States	522	45.5%
2	China	221	19.3%
3	Germany	151	13.2%
4	France	38	3.3%
5		36	3.1%
6	India	22	1.9%
7	Netherlands	22	1.9%
8	Japan	18	1.6%
9	Canada	18	1.6%
10	Australia	17	1.5%
11	Singapore	12	1%
12	United Kingdom	10	0.9%
13	Cyprus	9	0.8%
14	Spain	8	0.7%
15	Peru	6	0.5%
16	Argentina	4	0.3%
17	Hong Kong	3	0.3%
18	Ireland	3	0.3%
19	Mongolia	3	0.3%
20	Iraq	2	0.2%
21	Poland	2	0.2%
22	Russia	2	0.2%
23	Ukraine	2	0.2%
24	Switzerland	2	0.2%
25	Bulgaria	2	0.2%
26	Austria	1	0.1%
27	Bangladesh	1	0.1%
28	Indonesia	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Jordan	1	0.1%
31	Malaysia	1	0.1%
32	Moldova, Republic of	1	0.1%
33	Tunisia	1	0.1%
34	Turkey	1	0.1%
35	Sweden	1	0.1%
36	South Africa	1	0.1%
37	Pakistan	1	0.1%