Rank	Countries/Territories	Count	Percent
1	United States	266	31.3%
2	China	262	30.8%
3	Japan	54	6.3%
4	United Kingdom	30	3.5%
5	Korea, Republic of	29	3.4%
6	Germany	26	3.1%
7	Canada	22	2.6%
8	Malaysia	19	2.2%
9	Singapore	18	2.1%
10	Mexico	11	1.3%
11	Australia	10	1.2%
12	Netherlands	9	1.1%
13	Spain	7	0.8%
14	Turkey	7	0.8%
15	Romania	6	0.7%
16	Pakistan	6	0.7%
17	France	6	0.7%
18	Hong Kong	5	0.6%
19	Finland	5	0.6%
20	Sweden	5	0.6%
21	Switzerland	5	0.6%
22	Taiwan	4	0.5%
23	Indonesia	4	0.5%
24	Ukraine	4	0.5%
25	Ireland	3	0.4%
26	New Zealand	3	0.4%
27	Nigeria	2	0.2%
28	South Africa	2	0.2%
29	Peru	2	0.2%
30	Poland	2	0.2%
31	Iran, Islamic Republic of	2	0.2%
32	India	2	0.2%
33	Austria	2	0.2%
34	Belgium	2	0.2%
35	Chile	2	0.2%
36	Dominican Republic	1	0.1%
37	Bulgaria	1	0.1%
38	Argentina	1	0.1%
39	Portugal	1	0.1%
40	Puerto Rico	1	0.1%
41	Nepal	1	0.1%
42	Uzbekistan	1	0.1%