Rank	Countries/Territories	Count	Percent
1	United States	538	42.6%
2	China	415	32.9%
3	Germany	108	8.6%
4	France	34	2.7%
5		22	1.7%
6	Japan	20	1.6%
7	Netherlands	20	1.6%
8	Canada	19	1.5%
9	Brazil	14	1.1%
10	India	14	1.1%
11	Hong Kong	13	1%
12	Singapore	12	1%
13	United Kingdom	8	0.6%
14	Spain	7	0.6%
15	Ireland	4	0.3%
16	Russia	3	0.2%
17	Ukraine	3	0.2%
18	Norway	2	0.2%
19	Malaysia	2	0.2%
20	Cyprus	2	0.2%
21	Mongolia	1	0.1%
22	Korea, Republic of	1	0.1%
23	Switzerland	1	0.1%