Rank	Countries/Territories	Count	Percent
1	China	668	37.5%
2	United States	519	29.1%
3	Nigeria	152	8.5%
4	Japan	100	5.6%
5	Germany	84	4.7%
6	Czech Republic	52	2.9%
7	France	29	1.6%
8	Singapore	25	1.4%
9	Canada	23	1.3%
10	Ireland	19	1.1%
11	Netherlands	16	0.9%
12	Korea, Republic of	16	0.9%
13	United Kingdom	9	0.5%
14	Ukraine	7	0.4%
15	Indonesia	6	0.3%
16	Iran, Islamic Republic of	6	0.3%
17	Cyprus	5	0.3%
18	Australia	5	0.3%
19	Russia	5	0.3%
20	Latvia	4	0.2%
21	Malaysia	3	0.2%
22	Romania	3	0.2%
23	Egypt	3	0.2%
24	Argentina	2	0.1%
25	Brazil	2	0.1%
26	Ghana	2	0.1%
27	Hong Kong	2	0.1%
28	India	2	0.1%
29	Pakistan	2	0.1%
30	Spain	2	0.1%
31	Mexico	2	0.1%
32	Italy	2	0.1%
33	New Zealand	1	0.1%
34	South Africa	1	0.1%
35	Philippines	1	0.1%
36	Belgium	1	0.1%
37	Uzbekistan	1	0.1%