Rank	Countries/Territories	Count	Percent
1	United States	432	39.5%
2	China	352	32.1%
3	Germany	109	10%
4	Japan	35	3.2%
5	India	33	3%
6		27	2.5%
7	France	17	1.6%
8	Hong Kong	12	1.1%
9	Singapore	12	1.1%
10	Netherlands	11	1%
11	Australia	9	0.8%
12	Cyprus	8	0.7%
13	Norway	7	0.6%
14	Canada	4	0.4%
15	Ireland	4	0.4%
16	Korea, Republic of	4	0.4%
17	Mongolia	3	0.3%
18	Nepal	3	0.3%
19	Algeria	3	0.3%
20	Argentina	2	0.2%
21	Brazil	2	0.2%
22	United Kingdom	2	0.2%
23	Taiwan	2	0.2%
24	Tanzania, United Republic of	1	0.1%
25	Ukraine	1	0.1%