Rank	Countries/Territories	Count	Percent
1	United States	442	43.6%
2	China	329	32.5%
3	Germany	78	7.7%
4	Hong Kong	39	3.8%
5	Singapore	20	2%
6	Canada	18	1.8%
7	France	16	1.6%
8	Japan	16	1.6%
9	Netherlands	6	0.6%
10	Cyprus	6	0.6%
11	Hungary	6	0.6%
12	India	6	0.6%
13	Australia	5	0.5%
14	Argentina	4	0.4%
15	Ireland	4	0.4%
16	Switzerland	4	0.4%
17	Iran, Islamic Republic of	3	0.3%
18	Bangladesh	2	0.2%
19	South Africa	2	0.2%
20	Mongolia	2	0.2%
21	Spain	1	0.1%
22	Ukraine	1	0.1%
23	United Kingdom	1	0.1%
24	Russia	1	0.1%
25	Malaysia	1	0.1%