Rank	Countries/Territories	Count	Percent
1	United States	508	48.8%
2	China	230	22.1%
3	Germany	193	18.5%
4		33	3.2%
5	Canada	15	1.4%
6	Netherlands	12	1.2%
7	Spain	9	0.9%
8	Cyprus	8	0.8%
9	France	6	0.6%
10	Argentina	4	0.4%
11	Australia	3	0.3%
12	United Kingdom	3	0.3%
13	Georgia	2	0.2%
14	New Zealand	2	0.2%
15	Oman	2	0.2%
16	India	2	0.2%
17	Iran, Islamic Republic of	2	0.2%
18	Japan	2	0.2%
19	Hong Kong	1	0.1%
20	Singapore	1	0.1%
21	Austria	1	0.1%
22	Belgium	1	0.1%
23	Switzerland	1	0.1%