Rank	Countries/Territories	Count	Percent
1	United States	516	30.2%
2	China	404	23.6%
3	Japan	395	23.1%
4	Singapore	119	7%
5	Germany	54	3.2%
6	Netherlands	41	2.4%
7	United Kingdom	30	1.8%
8	France	24	1.4%
9	Nigeria	13	0.8%
10	Korea, Republic of	13	0.8%
11	Russia	12	0.7%
12	Latvia	11	0.6%
13	Canada	9	0.5%
14	Argentina	6	0.4%
15	Bulgaria	5	0.3%
16	Cyprus	5	0.3%
17	Poland	5	0.3%
18	Sweden	4	0.2%
19	Viet Nam	4	0.2%
20	Switzerland	3	0.2%
21	South Africa	3	0.2%
22	Indonesia	3	0.2%
23	Cote D'ivoire	3	0.2%
24	Australia	2	0.1%
25	Iran, Islamic Republic of	2	0.1%
26	Hong Kong	2	0.1%
27	Romania	2	0.1%
28	Kazakhstan	2	0.1%
29	Norway	2	0.1%
30	Malaysia	2	0.1%
31	Myanmar	2	0.1%
32	Thailand	2	0.1%
33	Ukraine	1	0.1%
34	Lithuania	1	0.1%
35	Portugal	1	0.1%
36	Taiwan	1	0.1%
37	Iraq	1	0.1%
38	Dominican Republic	1	0.1%
39	Ghana	1	0.1%
40	Bangladesh	1	0.1%
41	Brazil	1	0.1%