| Years | - | Irs | Drs |
| 2009 | 12 | 14 | 4 |
| 2010 | 14 | 13 | 3 |
| 2011 | 13 | 11 | 6 |
| 2012 | 13 | 12 | 5 |
| 2013 | 17 | 8 | 5 |
| 2014 | 12 | 7 | 11 |
| 2015 | 10 | 9 | 11 |