Rank	Countries/Territories	Count	Percent
1	China	332	39.1%
2	United States	302	35.6%
3	Germany	86	10.1%
4	Australia	32	3.8%
5	Canada	20	2.4%
6	Netherlands	11	1.3%
7	Singapore	11	1.3%
8	France	10	1.2%
9	Taiwan	7	0.8%
10	Romania	7	0.8%
11	United Kingdom	5	0.6%
12	Uganda	4	0.5%
13	Japan	4	0.5%
14	Russia	2	0.2%
15	Poland	2	0.2%
16	Austria	2	0.2%
17	Bangladesh	2	0.2%
18	India	2	0.2%
19	Cyprus	2	0.2%
20	Iran, Islamic Republic of	1	0.1%
21	Argentina	1	0.1%
22	Korea, Republic of	1	0.1%
23	Malaysia	1	0.1%
24	Mongolia	1	0.1%
25	Ukraine	1	0.1%