Rank	Countries/Territories	Count	Percent
1	United States	440	37.6%
2	China	261	22.3%
3	Germany	103	8.8%
4	Nigeria	55	4.7%
5	India	36	3.1%
6	Japan	34	2.9%
7	Korea, Republic of	18	1.5%
8	United Kingdom	17	1.5%
9	France	16	1.4%
10	Hong Kong	14	1.2%
11	Netherlands	14	1.2%
12	Ireland	13	1.1%
13	Iran, Islamic Republic of	12	1%
14	Australia	10	0.9%
15	Singapore	9	0.8%
16	Bangladesh	8	0.7%
17	Cyprus	8	0.7%
18	Egypt	8	0.7%
19	Chile	7	0.6%
20	Namibia	7	0.6%
21	Switzerland	7	0.6%
22	Canada	6	0.5%
23	Belgium	6	0.5%
24	Indonesia	6	0.5%
25	Ethiopia	5	0.4%
26	Israel	5	0.4%
27	Mexico	5	0.4%
28	South Africa	4	0.3%
29	Malta	3	0.3%
30	Brazil	3	0.3%
31	Denmark	2	0.2%
32	Morocco	2	0.2%
33	Italy	2	0.2%
34	Jordan	2	0.2%
35	Spain	2	0.2%
36	Sweden	2	0.2%
37	Slovakia	2	0.2%
38	Romania	2	0.2%
39	Saudi Arabia	2	0.2%
40	Taiwan	2	0.2%
41	Turkey	1	0.1%
42	Ukraine	1	0.1%
43	Serbia	1	0.1%
44	Malaysia	1	0.1%
45	Iraq	1	0.1%
46	Norway	1	0.1%
47	Oman	1	0.1%
48	Pakistan	1	0.1%
49	Algeria	1	0.1%
50	Armenia	1	0.1%