Rank	Countries/Territories	Count	Percent
1	United States	563	47.3%
2	China	174	14.6%
3	Germany	66	5.5%
4	Netherlands	62	5.2%
5	Egypt	58	4.9%
6	France	44	3.7%
7	Russia	30	2.5%
8	United Kingdom	16	1.3%
9	Japan	15	1.3%
10	India	15	1.3%
11	Latvia	14	1.2%
12	Hungary	11	0.9%
13	Canada	10	0.8%
14	Korea, Republic of	10	0.8%
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	Bulgaria	5	0.4%
23	Afghanistan	5	0.4%
24	Argentina	4	0.3%
25	Ethiopia	4	0.3%
26	Mongolia	4	0.3%
27	Israel	4	0.3%
28	Saudi Arabia	3	0.3%
29	South Africa	3	0.3%
30	Sweden	3	0.3%
31	Cyprus	3	0.3%
32	Hong Kong	3	0.3%
33	Ukraine	3	0.3%
34	Trinidad and Tobago	3	0.3%
35	Ireland	2	0.2%
36	Iraq	1	0.1%
37	Taiwan	1	0.1%
38	Italy	1	0.1%
39	Norway	1	0.1%
40	Oman	1	0.1%
41	Portugal	1	0.1%
42	Viet Nam	1	0.1%