Rank	Countries/Territories	Count	Percent
1	United States	550	43.9%
2	China	320	25.6%
3	Germany	90	7.2%
4	France	61	4.9%
5	Ireland	24	1.9%
6	Korea, Republic of	23	1.8%
7	Canada	19	1.5%
8		18	1.4%
9	Japan	18	1.4%
10	Australia	13	1%
11	Brazil	9	0.7%
12	India	9	0.7%
13	Singapore	8	0.6%
14	Slovakia	8	0.6%
15	United Kingdom	8	0.6%
16	Russia	7	0.6%
17	Cyprus	7	0.6%
18	Egypt	5	0.4%
19	Netherlands	5	0.4%
20	Peru	4	0.3%
21	Ukraine	4	0.3%
22	Spain	3	0.2%
23	Switzerland	3	0.2%
24	Senegal	3	0.2%
25	Indonesia	3	0.2%
26	Hong Kong	3	0.2%
27	Argentina	3	0.2%
28	Bulgaria	2	0.2%
29	Andorra	2	0.2%
30	Greece	2	0.2%
31	Finland	2	0.2%
32	Italy	2	0.2%
33	Latvia	2	0.2%
34	Tunisia	2	0.2%
35	Mongolia	2	0.2%
36	Malaysia	1	0.1%
37	Iran, Islamic Republic of	1	0.1%
38	Israel	1	0.1%
39	South Africa	1	0.1%
40	Poland	1	0.1%
41	New Zealand	1	0.1%
42	Denmark	1	0.1%
43	Bangladesh	1	0.1%