Rank	Countries/Territories	Count	Percent
1	United States	475	42.6%
2	China	311	27.9%
3	Germany	141	12.7%
4	Japan	26	2.3%
5	Spain	25	2.2%
6	Korea, Republic of	13	1.2%
7	Canada	13	1.2%
8	Hong Kong	12	1.1%
9	Singapore	9	0.8%
10	France	8	0.7%
11	Argentina	6	0.5%
12	Australia	6	0.5%
13	Denmark	6	0.5%
14	Ukraine	6	0.5%
15	Netherlands	5	0.4%
16	Morocco	4	0.4%
17	Russia	4	0.4%
18	Senegal	4	0.4%
19	Algeria	4	0.4%
20	Ireland	4	0.4%
21	India	3	0.3%
22	South Africa	3	0.3%
23	Malaysia	3	0.3%
24	United Kingdom	3	0.3%
25	Romania	2	0.2%
26	Sweden	2	0.2%
27	Taiwan	2	0.2%
28	Slovakia	2	0.2%
29	Cyprus	2	0.2%
30	Bangladesh	2	0.2%
31	Brazil	2	0.2%
32	Israel	1	0.1%
33	Georgia	1	0.1%
34	Ghana	1	0.1%
35	Norway	1	0.1%
36	Philippines	1	0.1%
37	Poland	1	0.1%