Rank	Countries/Territories	Count	Percent
1	United States	596	42.1%
2	China	294	20.8%
3	United Kingdom	86	6.1%
4	India	53	3.7%
5	Ireland	43	3%
6	Australia	35	2.5%
7	Japan	26	1.8%
8	Germany	24	1.7%
9	Korea, Republic of	19	1.3%
10	Russia	19	1.3%
11	Netherlands	16	1.1%
12	Pakistan	15	1.1%
13	Canada	15	1.1%
14	Romania	15	1.1%
15	Singapore	12	0.8%
16	France	11	0.8%
17	Ghana	11	0.8%
18	Brazil	9	0.6%
19	Turkey	9	0.6%
20	South Africa	8	0.6%
21	Iran, Islamic Republic of	8	0.6%
22	Hong Kong	7	0.5%
23	Indonesia	7	0.5%
24	Czech Republic	6	0.4%
25	Ecuador	5	0.4%
26	Poland	5	0.4%
27	Spain	4	0.3%
28	Cameroon	4	0.3%
29	Colombia	3	0.2%
30	Kenya	3	0.2%
31	Nigeria	3	0.2%
32	Philippines	3	0.2%
33	Italy	3	0.2%
34	Mexico	3	0.2%
35	Switzerland	3	0.2%
36	Taiwan	3	0.2%
37	Portugal	3	0.2%
38	Puerto Rico	3	0.2%
39	Rwanda	2	0.1%
40	Senegal	2	0.1%
41	Sri Lanka	2	0.1%
42	Uganda	2	0.1%
43	Zimbabwe	2	0.1%
44	Malaysia	2	0.1%
45	Mauritius	1	0.1%
46	Iraq	1	0.1%
47	Israel	1	0.1%
48	New Zealand	1	0.1%
49	Peru	1	0.1%
50	Congo	1	0.1%
51	Finland	1	0.1%
52	Denmark	1	0.1%
53	Iceland	1	0.1%
54	Tanzania, United Republic of	1	0.1%
55	Slovakia	1	0.1%
56	Qatar	1	0.1%