Rank	Countries/Territories	Count	Percent
1	United States	387	38.4%
2	China	379	37.6%
3	Germany	104	10.3%
4	Spain	24	2.4%
5	Japan	17	1.7%
6	Cyprus	14	1.4%
7	Netherlands	9	0.9%
8	United Kingdom	8	0.8%
9	Australia	8	0.8%
10	Canada	8	0.8%
11	Malaysia	4	0.4%
12	Singapore	4	0.4%
13	Sweden	4	0.4%
14	Iran, Islamic Republic of	4	0.4%
15	Mongolia	3	0.3%
16	Greece	3	0.3%
17	France	3	0.3%
18	India	3	0.3%
19	Hong Kong	2	0.2%
20	Namibia	2	0.2%
21	Belgium	2	0.2%
22	Estonia	2	0.2%
23	Ethiopia	2	0.2%
24	Rwanda	2	0.2%
25	Syrian Arab Republic	2	0.2%
26	Taiwan	2	0.2%
27	Thailand	1	0.1%
28	Ukraine	1	0.1%
29	Norway	1	0.1%
30	Puerto Rico	1	0.1%
31	Switzerland	1	0.1%
32	Argentina	1	0.1%