| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 175 | 4.780,49 | 27,32 | 2 |
| 2007 | 39 | 1.310,12 | 33,59 | 1 |
| 2008 | 30 | 745,20 | 24,84 | 1 |
| 2009 | 55 | 1.846,46 | 33,57 | 3 |
| 2010 | 68 | 1.740,13 | 25,59 | 3 |
| 2011 | 25 | 678,72 | 27,15 | 1 |
| 2012 | 132 | 3.530,27 | 26,74 | 4 |
| 2013 | 263 | 5.897,29 | 22,42 | 5 |
| 2014 | 251 | 6.053,19 | 24,12 | 5 |
| 2015 | 227 | 5.094,73 | 22,44 | 5 |
| 2016 | 194 | 4.245,30 | 21,88 | 5 |
| 2017 | 157 | 3.745,24 | 23,86 | 5 |
| 2018 | 192 | 4.580,90 | 23,86 | 5 |
| 2019 | 191 | 4.510,32 | 23,61 | 5 |
| 2020 | 182 | 4.237,42 | 23,28 | 4 |
| 2021 | 211 | 4.909,78 | 23,27 | 4 |
| 2022 | 224 | 5.541,45 | 24,74 | 4 |
| 2023 | 195 | 4.359,48 | 22,36 | 5 |
| 2024 | 209 | 4.812,70 | 23,03 | 5 |
| totale | 3.020 | 72.619,19 | 24,05 | 72 |