Rank	Countries/Territories	Count	Percent
1	United States	574	42.6%
2	China	347	25.7%
3	Germany	118	8.8%
4		43	3.2%
5	Canada	28	2.1%
6	France	25	1.9%
7	Japan	22	1.6%
8	Russia	20	1.5%
9	Netherlands	18	1.3%
10	Korea, Republic of	18	1.3%
11	Cyprus	18	1.3%
12	India	15	1.1%
13	Australia	15	1.1%
14	United Kingdom	12	0.9%
15	Ukraine	11	0.8%
16	Singapore	9	0.7%
17	Bangladesh	6	0.4%
18	Iran, Islamic Republic of	5	0.4%
19	Senegal	5	0.4%
20	Italy	4	0.3%
21	Hong Kong	4	0.3%
22	Sweden	3	0.2%
23	Switzerland	3	0.2%
24	Thailand	2	0.1%
25	South Africa	2	0.1%
26	United Arab Emirates	2	0.1%
27	Latvia	2	0.1%
28	Lithuania	2	0.1%
29	Croatia	2	0.1%
30	Belgium	2	0.1%
31	Cambodia	2	0.1%
32	Viet Nam	2	0.1%
33	Zimbabwe	1	0.1%
34	Argentina	1	0.1%
35	Colombia	1	0.1%
36	Egypt	1	0.1%
37	Portugal	1	0.1%
38	Romania	1	0.1%
39	Spain	1	0.1%