Rank	Countries/Territories	Count	Percent
1	United States	468	40.9%
2	China	377	33%
3	Germany	105	9.2%
4	France	36	3.1%
5		31	2.7%
6	Japan	28	2.4%
7	Canada	15	1.3%
8	Netherlands	15	1.3%
9	Cyprus	10	0.9%
10	Norway	9	0.8%
11	India	7	0.6%
12	Australia	6	0.5%
13	United Kingdom	6	0.5%
14	Hong Kong	4	0.3%
15	Latvia	4	0.3%
16	Mongolia	3	0.3%
17	Taiwan	2	0.2%
18	Singapore	2	0.2%
19	Malaysia	2	0.2%
20	Iran, Islamic Republic of	2	0.2%
21	Ireland	2	0.2%
22	Argentina	2	0.2%
23	Egypt	2	0.2%
24	Estonia	2	0.2%
25	Czech Republic	1	0.1%
26	Korea, Republic of	1	0.1%
27	Switzerland	1	0.1%