Rank	Countries/Territories	Count	Percent
1	United States	479	42.2%
2	China	261	23%
3	Germany	181	15.9%
4		45	4%
5	France	23	2%
6	Canada	22	1.9%
7	Netherlands	19	1.7%
8	Japan	15	1.3%
9	India	15	1.3%
10	Cyprus	10	0.9%
11	Ireland	8	0.7%
12	Singapore	6	0.5%
13	Australia	5	0.4%
14	Greece	4	0.4%
15	Mongolia	4	0.4%
16	Romania	3	0.3%
17	Brazil	3	0.3%
18	Korea, Republic of	2	0.2%
19	Malaysia	2	0.2%
20	Norway	2	0.2%
21	Pakistan	2	0.2%
22	Philippines	2	0.2%
23	United Kingdom	2	0.2%
24	Sweden	2	0.2%
25	Switzerland	2	0.2%
26	Taiwan	2	0.2%
27	Israel	2	0.2%
28	Chile	2	0.2%
29	Estonia	2	0.2%
30	Croatia	1	0.1%
31	Bangladesh	1	0.1%
32	Italy	1	0.1%
33	Hong Kong	1	0.1%
34	Hungary	1	0.1%
35	Thailand	1	0.1%
36	Ukraine	1	0.1%
37	Portugal	1	0.1%