Rank	Countries/Territories	Count	Percent
1	United States	484	49.3%
2	China	285	29%
3	Germany	67	6.8%
4	United Kingdom	29	3%
5	Japan	23	2.3%
6	Canada	13	1.3%
7	Netherlands	11	1.1%
8	France	8	0.8%
9	Australia	6	0.6%
10	Greece	5	0.5%
11	Singapore	5	0.5%
12	Ukraine	5	0.5%
13	Indonesia	4	0.4%
14	Norway	4	0.4%
15	Hong Kong	3	0.3%
16	India	3	0.3%
17	Cyprus	3	0.3%
18	Thailand	3	0.3%
19	Spain	3	0.3%
20	Mongolia	3	0.3%
21	Saudi Arabia	2	0.2%
22	Korea, Republic of	2	0.2%
23	Taiwan	2	0.2%
24	Viet Nam	2	0.2%
25	Ireland	2	0.2%
26	Israel	2	0.2%
27	Oman	1	0.1%
28	Pakistan	1	0.1%
29	Argentina	1	0.1%