Rank	Countries/Territories	Count	Percent
1	United States	545	47.8%
2	China	169	14.8%
3	Egypt	58	5.1%
4	Netherlands	58	5.1%
5	Germany	53	4.6%
6	France	44	3.9%
7	Russia	30	2.6%
8	Japan	15	1.3%
9	India	15	1.3%
10	Latvia	14	1.2%
11	Hungary	11	1%
12	Canada	10	0.9%
13	Korea, Republic of	10	0.9%
14	United Kingdom	10	0.9%
15	Australia	9	0.8%
16	Iran, Islamic Republic of	8	0.7%
17	Senegal	7	0.6%
18	Singapore	7	0.6%
19	Romania	6	0.5%
20	Turkey	5	0.4%
21	Bangladesh	5	0.4%
22	Afghanistan	5	0.4%
23	Argentina	4	0.4%
24	Ethiopia	4	0.4%
25	Mongolia	4	0.4%
26	Israel	4	0.4%
27	Saudi Arabia	3	0.3%
28	South Africa	3	0.3%
29	Sweden	3	0.3%
30	Cyprus	3	0.3%
31	Hong Kong	3	0.3%
32	Ukraine	3	0.3%
33	Ireland	2	0.2%
34	Bulgaria	2	0.2%
35	Trinidad and Tobago	2	0.2%
36	Italy	1	0.1%
37	Norway	1	0.1%
38	Oman	1	0.1%
39	Portugal	1	0.1%
40	Iraq	1	0.1%
41	Viet Nam	1	0.1%