Rank	Countries/Territories	Count	Percent
1	United States	622	47.4%
2	China	225	17.1%
3	Germany	88	6.7%
4	Japan	36	2.7%
5	India	32	2.4%
6	United Kingdom	32	2.4%
7	Singapore	20	1.5%
8	France	19	1.4%
9	Romania	19	1.4%
10	Italy	17	1.3%
11	Canada	16	1.2%
12	Austria	16	1.2%
13	Korea, Republic of	14	1.1%
14	Netherlands	14	1.1%
15	Ukraine	12	0.9%
16	Iran, Islamic Republic of	10	0.8%
17	Ireland	10	0.8%
18	Brazil	10	0.8%
19	Cyprus	9	0.7%
20	South Africa	9	0.7%
21	Spain	8	0.6%
22	Poland	7	0.5%
23	Mexico	7	0.5%
24	Australia	7	0.5%
25	Turkey	7	0.5%
26	Trinidad and Tobago	7	0.5%
27	Finland	4	0.3%
28	Hong Kong	4	0.3%
29	Israel	4	0.3%
30	Belgium	3	0.2%
31	Taiwan	3	0.2%
32	Thailand	2	0.2%
33	Russia	2	0.2%
34	Cabo Verde	2	0.2%
35	Portugal	2	0.2%
36	Sweden	2	0.2%
37	Switzerland	2	0.2%
38	Pakistan	1	0.1%
39	Bulgaria	1	0.1%
40	Argentina	1	0.1%
41	Bangladesh	1	0.1%
42	Hungary	1	0.1%
43	Greece	1	0.1%
44	Egypt	1	0.1%
45	Tunisia	1	0.1%
46	Viet Nam	1	0.1%