| Value | Category | Cases | |
|---|---|---|---|
| 2001 | JIGAWA | 534 |
7.1%
|
| 2002 | YOBE | 282 |
3.8%
|
| 2003 | KANO | 1057 |
14.1%
|
| 2004 | FCT | 284 |
3.8%
|
| 2005 | TARABA | 291 |
3.9%
|
| 2006 | BENUE | 663 |
8.8%
|
| 2007 | KOGI | 456 |
6.1%
|
| 2008 | EKITI | 535 |
7.1%
|
| 2009 | EDO | 593 |
7.9%
|
| 2010 | ANAMBRA | 503 |
6.7%
|
| 2011 | CROSS RIVER | 456 |
6.1%
|
| 2012 | IMO | 421 |
5.6%
|
| 2013 | LAGOS | 1427 |
19%
|
