Rank	Countries/Territories	Count	Percent
1	United States	517	47%
2	China	243	22.1%
3	Brazil	39	3.5%
4	India	28	2.5%
5	Japan	28	2.5%
6	Singapore	28	2.5%
7	Italy	27	2.5%
8	Germany	25	2.3%
9	Spain	15	1.4%
10	Ireland	12	1.1%
11	Russia	11	1%
12	Austria	10	0.9%
13	Iran, Islamic Republic of	9	0.8%
14	Netherlands	8	0.7%
15	Canada	8	0.7%
16	Thailand	8	0.7%
17	Sweden	7	0.6%
18	Turkey	6	0.5%
19	Belgium	6	0.5%
20	France	6	0.5%
21	Korea, Republic of	6	0.5%
22	Hungary	4	0.4%
23	Poland	4	0.4%
24	Romania	4	0.4%
25	Ukraine	4	0.4%
26	Switzerland	3	0.3%
27	Taiwan	3	0.3%
28	Mexico	3	0.3%
29	Czech Republic	3	0.3%
30	Denmark	2	0.2%
31	Argentina	2	0.2%
32	Norway	2	0.2%
33	Lithuania	2	0.2%
34	United Kingdom	2	0.2%
35	South Africa	2	0.2%
36	Slovakia	1	0.1%
37	Iraq	1	0.1%
38	Israel	1	0.1%
39	Morocco	1	0.1%
40	Saudi Arabia	1	0.1%
41	Serbia	1	0.1%
42	Australia	1	0.1%
43	Bangladesh	1	0.1%
44	Ecuador	1	0.1%
45	Greece	1	0.1%
46	Hong Kong	1	0.1%
47	Indonesia	1	0.1%