Rank	Countries/Territories	Count	Percent
1	United States	487	37.7%
2	China	450	34.8%
3	Germany	96	7.4%
4	Canada	35	2.7%
5	Australia	32	2.5%
6	France	18	1.4%
7	Japan	18	1.4%
8	Russia	18	1.4%
9	India	15	1.2%
10	Netherlands	14	1.1%
11	Norway	12	0.9%
12	Singapore	10	0.8%
13	United Kingdom	10	0.8%
14	Iran, Islamic Republic of	9	0.7%
15	Argentina	8	0.6%
16	Cyprus	8	0.6%
17	Ireland	5	0.4%
18	Ukraine	5	0.4%
19	Senegal	5	0.4%
20	Slovenia	3	0.2%
21	Saudi Arabia	3	0.2%
22	Hong Kong	3	0.2%
23	Denmark	3	0.2%
24	Finland	2	0.2%
25	Belgium	2	0.2%
26	Brazil	2	0.2%
27	Mongolia	2	0.2%
28	New Zealand	2	0.2%
29	Nigeria	2	0.2%
30	Spain	2	0.2%
31	Sweden	2	0.2%
32	Switzerland	2	0.2%
33	Turkey	2	0.2%
34	Taiwan	1	0.1%
35	Pakistan	1	0.1%
36	Peru	1	0.1%
37	Portugal	1	0.1%
38	Romania	1	0.1%
39	Chile	1	0.1%