| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 306 | 5.065,56 | 16,55 | 2 |
| 2007 | 226 | 4.538,19 | 20,08 | 1 |
| 2008 | 226 | 4.387,90 | 19,42 | 1 |
| 2009 | 242 | 4.683,68 | 19,35 | 2 |
| 2010 | 254 | 4.125,19 | 16,24 | 2 |
| 2011 | 213 | 3.516,92 | 16,51 | 1 |
| 2012 | 215 | 3.753,91 | 17,46 | 2 |
| 2013 | 199 | 2.962,48 | 14,89 | 2 |
| 2014 | 211 | 4.109,12 | 19,47 | 2 |
| 2015 | 200 | 3.704,52 | 18,52 | 2 |
| 2016 | 187 | 3.390,73 | 18,13 | 2 |
| 2017 | 257 | 4.669,59 | 18,17 | 2 |
| 2018 | 252 | 4.519,12 | 17,93 | 2 |
| 2019 | 254 | 4.262,00 | 16,78 | 3 |
| 2020 | 250 | 5.231,12 | 20,92 | 3 |
| 2021 | 450 | 9.049,68 | 20,11 | 4 |
| 2022 | 473 | 9.682,62 | 20,47 | 4 |
| 2023 | 362 | 9.191,30 | 25,39 | 4 |
| 2024 | 292 | 7.548,28 | 25,85 | 4 |
| totale | 5.069 | 98.391,91 | 19,41 | 45 |