| 2004 | Justicialista | 394 | 245 | 62,2% | ||
| 2005 | Justicialista | 62 | 34 | 54,8% | ||
| 2005 | Lealtad y Dignidad Justicialista | 410 | 288 | 70,2% | ||
| 2006 | Justicialista San Luis | 454 | 264 | 58,2% | ||
| 2007 | Justicialista San Luis | 139 | 116 | 83,5% | ||
| 2008 | Justicialista San Luis | 262 | 104 | 39,7% | ||
| 2009 | Justicialista San Luis | 159 | 67 | 42,1% | ||
| 2010 | Justicialista San Luis | 123 | 67 | 54,5% | ||
| 2011 | Justicialista San Luis | 86 | 55 | 64,0% | ||
| 2012 | Justicialista San Luis | 168 | 69 | 41,1% | ||
| 2013 | Justicialista San Luis | 124 | 64 | 51,6% | ||
| 2014 | Justicialista San Luis | 113 | 59 | 52,2% | ||
| 2015 | Justicialista San Luis | 21 | 13 | 61,9% | ||
| 2016 | Justicialista San Luis | 191 | 120 | 62,8% | ||
| 2017 | Justicialista San Luis | 76 | 45 | 59,2% | ||
| Suma | 2.782 | 1.610 | 57,9% | ||
| Promedio | 185 | 107 |