Rank	Countries/Territories	Count	Percent
1	United States	574	44%
2	China	285	21.9%
3	Germany	173	13.3%
4	India	40	3.1%
5	Japan	29	2.2%
6	Canada	29	2.2%
7	France	29	2.2%
8	Romania	20	1.5%
9	Netherlands	17	1.3%
10	Ethiopia	16	1.2%
11	Singapore	15	1.2%
12	Cyprus	10	0.8%
13	Korea, Republic of	8	0.6%
14	Nigeria	8	0.6%
15	United Kingdom	8	0.6%
16	Switzerland	7	0.5%
17	Australia	6	0.5%
18	Bangladesh	5	0.4%
19	Argentina	4	0.3%
20	Russia	3	0.2%
21	Ukraine	3	0.2%
22	Thailand	2	0.2%
23	Malaysia	2	0.2%
24	Brazil	2	0.2%
25	Bahrain	1	0.1%
26	Egypt	1	0.1%
27	Cayman Islands	1	0.1%
28	Mongolia	1	0.1%
29	Iran, Islamic Republic of	1	0.1%
30	Turkmenistan	1	0.1%
31	Slovakia	1	0.1%
32	Spain	1	0.1%
33	Poland	1	0.1%