Rank	Countries/Territories	Count	Percent
1	United States	549	37.6%
2	China	548	37.5%
3	Germany	125	8.5%
4	France	82	5.6%
5	Canada	34	2.3%
6	Japan	16	1.1%
7	Netherlands	14	1%
8	India	13	0.9%
9	Korea, Republic of	12	0.8%
10	Singapore	12	0.8%
11	Cyprus	9	0.6%
12	Ukraine	5	0.3%
13	United Kingdom	4	0.3%
14	Norway	4	0.3%
15	Ireland	4	0.3%
16	Italy	4	0.3%
17	Australia	4	0.3%
18	Bulgaria	3	0.2%
19	Mongolia	3	0.2%
20	Latvia	3	0.2%
21	Turkey	3	0.2%
22	Philippines	2	0.1%
23	South Africa	2	0.1%
24	Finland	2	0.1%
25	Malaysia	1	0.1%
26	Bangladesh	1	0.1%
27	Brazil	1	0.1%
28	Taiwan	1	0.1%
29	Russia	1	0.1%