Rank	Countries/Territories	Count	Percent
1	United States	281	37.4%
2	China	191	25.4%
3	Japan	42	5.6%
4	Germany	34	4.5%
5	Australia	22	2.9%
6	Canada	18	2.4%
7	United Kingdom	12	1.6%
8	Singapore	10	1.3%
9	India	10	1.3%
10	Netherlands	10	1.3%
11	Pakistan	9	1.2%
12	Bulgaria	9	1.2%
13	Egypt	8	1.1%
14	France	8	1.1%
15	Ireland	7	0.9%
16	Belgium	6	0.8%
17	Saudi Arabia	6	0.8%
18	Malaysia	5	0.7%
19	Romania	5	0.7%
20	Russia	4	0.5%
21	Korea, Republic of	4	0.5%
22	Iran, Islamic Republic of	4	0.5%
23	Brazil	4	0.5%
24	Argentina	4	0.5%
25	Finland	4	0.5%
26	Spain	4	0.5%
27	Ukraine	3	0.4%
28	Poland	3	0.4%
29	Portugal	2	0.3%
30	Estonia	2	0.3%
31	Ethiopia	2	0.3%
32	Hong Kong	2	0.3%
33	Yemen	2	0.3%
34	Sweden	2	0.3%
35	Thailand	1	0.1%
36	Sint Maarten (Dutch Part)	1	0.1%
37	Greece	1	0.1%
38	Colombia	1	0.1%
39	Barbados	1	0.1%
40	Philippines	1	0.1%
41	New Zealand	1	0.1%
42	Nigeria	1	0.1%
43	Israel	1	0.1%
44	Italy	1	0.1%
45	Lebanon	1	0.1%
46	Mexico	1	0.1%