Rank	Countries/Territories	Count	Percent
1	United States	450	39.2%
2	China	341	29.7%
3	Germany	118	10.3%
4	Nigeria	43	3.7%
5	Netherlands	38	3.3%
6	India	27	2.3%
7	Japan	19	1.7%
8	Singapore	16	1.4%
9	Korea, Republic of	11	1%
10	Canada	11	1%
11	France	9	0.8%
12	Cyprus	8	0.7%
13	Australia	6	0.5%
14	Ireland	6	0.5%
15	United Kingdom	6	0.5%
16	Poland	5	0.4%
17	Hong Kong	4	0.3%
18	Indonesia	4	0.3%
19	Iran, Islamic Republic of	3	0.3%
20	Italy	3	0.3%
21	Taiwan	3	0.3%
22	Norway	2	0.2%
23	Spain	2	0.2%
24	Libya	2	0.2%
25	Nepal	2	0.2%
26	Bangladesh	2	0.2%
27	Brazil	2	0.2%
28	Greece	2	0.2%
29	Finland	1	0.1%
30	Argentina	1	0.1%
31	Russia	1	0.1%
32	Ukraine	1	0.1%