Rank	Countries/Territories	Count	Percent
1	United States	545	39.4%
2	China	490	35.5%
3	Canada	100	7.2%
4	Germany	93	6.7%
5	France	37	2.7%
6	India	13	0.9%
7	Mexico	12	0.9%
8	Netherlands	11	0.8%
9	Singapore	10	0.7%
10	United Kingdom	10	0.7%
11	Australia	8	0.6%
12	Cyprus	7	0.5%
13	Denmark	7	0.5%
14	Japan	7	0.5%
15	Russia	7	0.5%
16	Norway	3	0.2%
17	Hong Kong	3	0.2%
18	Belgium	3	0.2%
19	Argentina	3	0.2%
20	Colombia	2	0.1%
21	Greece	2	0.1%
22	Switzerland	2	0.1%
23	Taiwan	2	0.1%
24	Sweden	1	0.1%
25	Poland	1	0.1%
26	Romania	1	0.1%
27	Malaysia	1	0.1%
28	Iran, Islamic Republic of	1	0.1%