Rank	Countries/Territories	Count	Percent
1	United States	439	46.7%
2	China	253	26.9%
3	Germany	102	10.9%
4	Japan	21	2.2%
5	France	16	1.7%
6	Philippines	14	1.5%
7	Netherlands	12	1.3%
8	Canada	11	1.2%
9	Switzerland	10	1.1%
10		9	1%
11	Peru	8	0.9%
12	Singapore	5	0.5%
13	Hong Kong	5	0.5%
14	Korea, Republic of	4	0.4%
15	Latvia	4	0.4%
16	Australia	4	0.4%
17	Italy	4	0.4%
18	Ukraine	3	0.3%
19	Norway	2	0.2%
20	Poland	2	0.2%
21	Argentina	2	0.2%
22	Colombia	1	0.1%
23	Cyprus	1	0.1%
24	Egypt	1	0.1%
25	Mauritius	1	0.1%
26	Mexico	1	0.1%
27	Mongolia	1	0.1%
28	India	1	0.1%
29	Ireland	1	0.1%
30	Russia	1	0.1%
31	United Kingdom	1	0.1%