Rank	Countries/Territories	Count	Percent
1	United States	487	37.8%
2	China	320	24.8%
3	Australia	64	5%
4	Netherlands	59	4.6%
5	Germany	54	4.2%
6	United Kingdom	29	2.2%
7	Ireland	28	2.2%
8	Singapore	23	1.8%
9	Japan	21	1.6%
10	India	18	1.4%
11	Canada	17	1.3%
12	Brazil	9	0.7%
13	Pakistan	8	0.6%
14	South Africa	8	0.6%
15	Sweden	8	0.6%
16	Taiwan	7	0.5%
17	Russia	7	0.5%
18	Indonesia	7	0.5%
19	Korea, Republic of	7	0.5%
20	Kenya	6	0.5%
21	Mexico	5	0.4%
22	New Zealand	5	0.4%
23	Saudi Arabia	5	0.4%
24	Romania	5	0.4%
25	Ukraine	5	0.4%
26	Belgium	5	0.4%
27	France	4	0.3%
28	Malaysia	4	0.3%
29	Turkey	4	0.3%
30	Puerto Rico	4	0.3%
31	Slovenia	4	0.3%
32	Nigeria	4	0.3%
33	Philippines	3	0.2%
34	Latvia	3	0.2%
35	Israel	3	0.2%
36	Denmark	3	0.2%
37	Bulgaria	2	0.2%
38	Georgia	2	0.2%
39	Ethiopia	2	0.2%
40	Austria	2	0.2%
41	Bangladesh	2	0.2%
42	Lebanon	2	0.2%
43	Lithuania	2	0.2%
44	Jordan	2	0.2%
45	Thailand	2	0.2%
46	Trinidad and Tobago	2	0.2%
47	United Arab Emirates	1	0.1%
48	Poland	1	0.1%
49	Norway	1	0.1%
50	Palestine, State of	1	0.1%
51	Paraguay	1	0.1%
52	Maldives	1	0.1%
53	Malta	1	0.1%
54	Jamaica	1	0.1%
55	Grenada	1	0.1%
56	Hong Kong	1	0.1%
57	Hungary	1	0.1%
58	Argentina	1	0.1%
59	Colombia	1	0.1%
60	Costa Rica	1	0.1%
61	Czech Republic	1	0.1%
62	Dominican Republic	1	0.1%
63	Egypt	1	0.1%