Rank	Countries/Territories	Count	Percent
1	United States	512	44.6%
2	China	349	30.4%
3	Germany	140	12.2%
4	France	60	5.2%
5	Australia	11	1%
6	Canada	10	0.9%
7	Norway	7	0.6%
8	Romania	7	0.6%
9	Cyprus	6	0.5%
10	Singapore	6	0.5%
11	Netherlands	5	0.4%
12	Japan	5	0.4%
13	Malaysia	4	0.3%
14	Iran, Islamic Republic of	4	0.3%
15	Argentina	3	0.3%
16	South Africa	3	0.3%
17	Taiwan	2	0.2%
18	Ukraine	2	0.2%
19	India	2	0.2%
20	Indonesia	2	0.2%
21	Russia	2	0.2%
22	Mongolia	1	0.1%
23	Ireland	1	0.1%
24	Hong Kong	1	0.1%
25	Turkey	1	0.1%
26	Spain	1	0.1%