Rank	Countries/Territories	Count	Percent
1	United States	497	44.8%
2	China	234	21.1%
3	Germany	88	7.9%
4	India	46	4.1%
5	United Kingdom	38	3.4%
6	Canada	37	3.3%
7	Netherlands	20	1.8%
8	Japan	15	1.4%
9	Indonesia	14	1.3%
10	Ireland	13	1.2%
11	Australia	9	0.8%
12	Cyprus	8	0.7%
13	France	7	0.6%
14	Italy	6	0.5%
15	Brazil	5	0.5%
16	Thailand	5	0.5%
17	Senegal	5	0.5%
18	South Africa	5	0.5%
19	Saudi Arabia	4	0.4%
20	Pakistan	4	0.4%
21	Philippines	3	0.3%
22	Norway	3	0.3%
23	Hong Kong	3	0.3%
24	Egypt	3	0.3%
25	Russia	3	0.3%
26	Sweden	3	0.3%
27	Switzerland	3	0.3%
28	Sierra Leone	2	0.2%
29	Ecuador	2	0.2%
30	Colombia	2	0.2%
31	New Zealand	2	0.2%
32	Korea, Republic of	2	0.2%
33	Luxembourg	2	0.2%
34	Mauritius	2	0.2%
35	Mexico	1	0.1%
36	Israel	1	0.1%
37	Iran, Islamic Republic of	1	0.1%
38	Nigeria	1	0.1%
39	Portugal	1	0.1%
40	Romania	1	0.1%
41	Denmark	1	0.1%
42	Cameroon	1	0.1%
43	Bangladesh	1	0.1%
44	Finland	1	0.1%
45	Guyana	1	0.1%
46	Singapore	1	0.1%
47	Taiwan	1	0.1%
48	Tunisia	1	0.1%
49	Ukraine	1	0.1%