Rank	Countries/Territories	Count	Percent
1	United States	477	37.2%
2	China	440	34.3%
3	Japan	90	7%
4	Germany	89	6.9%
5	Singapore	25	1.9%
6	Canada	23	1.8%
7	France	15	1.2%
8	Netherlands	14	1.1%
9	Russia	13	1%
10	Korea, Republic of	9	0.7%
11	Mexico	8	0.6%
12	Indonesia	7	0.5%
13	Hungary	7	0.5%
14	Cyprus	6	0.5%
15	Portugal	6	0.5%
16	Egypt	5	0.4%
17	Australia	5	0.4%
18	Guatemala	4	0.3%
19	Sweden	4	0.3%
20	United Kingdom	4	0.3%
21	Poland	3	0.2%
22	Puerto Rico	3	0.2%
23	Italy	3	0.2%
24	Brazil	3	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Pakistan	2	0.2%
27	South Africa	2	0.2%
28	Ukraine	2	0.2%
29	Taiwan	1	0.1%
30	Peru	1	0.1%
31	Romania	1	0.1%
32	Nigeria	1	0.1%
33	Norway	1	0.1%
34	Iraq	1	0.1%
35	Hong Kong	1	0.1%
36	India	1	0.1%
37	Argentina	1	0.1%
38	Austria	1	0.1%
39	Bangladesh	1	0.1%
40	Georgia	1	0.1%