Rank	Countries/Territories	Count	Percent
1	United States	457	31.6%
2	China	405	28%
3	Japan	186	12.9%
4	Germany	104	7.2%
5	Singapore	47	3.3%
6	Canada	34	2.4%
7	France	28	1.9%
8	Iran, Islamic Republic of	27	1.9%
9	Bangladesh	23	1.6%
10	Sweden	13	0.9%
11	Russia	13	0.9%
12	United Kingdom	13	0.9%
13	Netherlands	12	0.8%
14	Pakistan	9	0.6%
15	India	8	0.6%
16	Korea, Republic of	7	0.5%
17	Taiwan	6	0.4%
18	Hong Kong	6	0.4%
19	Denmark	5	0.3%
20	Bulgaria	5	0.3%
21	Mexico	5	0.3%
22	Cyprus	4	0.3%
23	Colombia	3	0.2%
24	Ireland	3	0.2%
25	Ukraine	3	0.2%
26	Romania	2	0.1%
27	Latvia	2	0.1%
28	Australia	2	0.1%
29	Egypt	2	0.1%
30	Ghana	2	0.1%
31	Oman	2	0.1%
32	Venezuela, Bolivarian Republic of	1	0.1%
33	Hungary	1	0.1%
34	Argentina	1	0.1%
35	Brazil	1	0.1%
36	Nigeria	1	0.1%
37	Norway	1	0.1%
38	Senegal	1	0.1%
39	Spain	1	0.1%