| Value | Category | Cases | |
|---|---|---|---|
| 2001 | JIGAWA | 562 |
7.5%
|
| 2002 | YOBE | 270 |
3.6%
|
| 2003 | KANO | 1054 |
14%
|
| 2004 | FCT | 271 |
3.6%
|
| 2005 | TARABA | 293 |
3.9%
|
| 2006 | BENUE | 662 |
8.8%
|
| 2007 | KOGI | 450 |
6%
|
| 2008 | EKITI | 541 |
7.2%
|
| 2009 | EDO | 602 |
8%
|
| 2010 | ANAMBRA | 494 |
6.6%
|
| 2011 | CROSS RIVER | 453 |
6%
|
| 2012 | IMO | 421 |
5.6%
|
| 2013 | LAGOS | 1429 |
19%
|
