| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 235 | 4.601,39 | 19,58 | 3 |
| 2007 | 184 | 3.824,55 | 20,79 | 2 |
| 2008 | 196 | 4.462,87 | 22,77 | 2 |
| 2009 | 211 | 4.002,59 | 18,97 | 3 |
| 2010 | 214 | 3.595,13 | 16,80 | 3 |
| 2011 | 197 | 3.096,60 | 15,72 | 2 |
| 2012 | 253 | 4.697,87 | 18,57 | 4 |
| 2013 | 189 | 2.983,48 | 15,79 | 3 |
| 2014 | 170 | 3.459,59 | 20,35 | 3 |
| 2015 | 194 | 4.466,33 | 23,02 | 4 |
| 2016 | 180 | 3.620,85 | 20,12 | 3 |
| 2017 | 176 | 3.516,75 | 19,98 | 3 |
| 2018 | 170 | 3.240,66 | 19,06 | 3 |
| 2019 | 194 | 3.775,12 | 19,46 | 4 |
| 2020 | 162 | 3.221,52 | 19,89 | 3 |
| 2021 | 169 | 3.378,88 | 19,99 | 3 |
| 2022 | 89 | 1.964,62 | 22,07 | 2 |
| 2023 | 102 | 2.035,14 | 19,95 | 3 |
| 2024 | 111 | 2.199,50 | 19,82 | 3 |
| totale | 3.396 | 66.143,44 | 19,48 | 56 |