| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 418 | 9.336,00 | 22,33 | 3 |
| 2007 | 199 | 5.432,96 | 27,30 | 2 |
| 2008 | 180 | 4.912,69 | 27,29 | 2 |
| 2009 | 243 | 7.126,35 | 29,33 | 3 |
| 2010 | 205 | 4.890,32 | 23,86 | 3 |
| 2011 | 166 | 3.975,83 | 23,95 | 2 |
| 2012 | 178 | 4.538,30 | 25,50 | 4 |
| 2013 | 227 | 5.069,32 | 22,33 | 4 |
| 2014 | 239 | 7.853,42 | 32,86 | 6 |
| 2015 | 234 | 7.926,87 | 33,88 | 5 |
| 2016 | 314 | 9.144,28 | 29,12 | 7 |
| 2017 | 366 | 10.639,35 | 29,07 | 6 |
| 2018 | 385 | 10.786,96 | 28,02 | 6 |
| 2019 | 471 | 11.192,79 | 23,76 | 8 |
| 2020 | 417 | 10.077,61 | 24,17 | 8 |
| 2021 | 420 | 10.593,21 | 25,22 | 9 |
| 2022 | 298 | 8.671,41 | 29,10 | 8 |
| 2023 | 202 | 6.125,67 | 30,33 | 9 |
| 2024 | 191 | 5.580,46 | 29,22 | 8 |
| totale | 5.353 | 143.873,80 | 26,88 | 103 |