Rank	Countries/Territories	Count	Percent
1	United States	479	36%
2	China	420	31.6%
3	Germany	133	10%
4	Canada	41	3.1%
5	France	32	2.4%
6	Japan	28	2.1%
7	Greece	26	2%
8	India	25	1.9%
9	Netherlands	22	1.7%
10	Turkey	16	1.2%
11	Ukraine	12	0.9%
12	Singapore	12	0.9%
13	Korea, Republic of	8	0.6%
14	Cyprus	8	0.6%
15	Spain	6	0.5%
16	United Kingdom	5	0.4%
17	Mongolia	5	0.4%
18	Australia	5	0.4%
19	Hong Kong	4	0.3%
20	Thailand	4	0.3%
21	Malaysia	3	0.2%
22	Romania	3	0.2%
23	Egypt	3	0.2%
24	Brazil	3	0.2%
25	Argentina	3	0.2%
26	Czech Republic	2	0.2%
27	Ireland	2	0.2%
28	Italy	2	0.2%
29	Russia	2	0.2%
30	Poland	2	0.2%
31	Sweden	2	0.2%
32	Taiwan	2	0.2%
33	Viet Nam	2	0.2%
34	Norway	1	0.1%
35	Moldova, Republic of	1	0.1%
36	Morocco	1	0.1%
37	Latvia	1	0.1%
38	Bulgaria	1	0.1%
39	Austria	1	0.1%
40	Bangladesh	1	0.1%