| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 575 | 12.039,61 | 20,94 | 2 |
| 2007 | 456 | 10.861,32 | 23,82 | 1 |
| 2008 | 494 | 13.537,41 | 27,40 | 1 |
| 2009 | 550 | 15.069,58 | 27,40 | 2 |
| 2010 | 599 | 13.503,50 | 22,54 | 2 |
| 2011 | 533 | 11.928,98 | 22,38 | 1 |
| 2012 | 581 | 13.311,36 | 22,91 | 2 |
| 2013 | 629 | 12.926,72 | 20,55 | 2 |
| 2014 | 581 | 15.424,96 | 26,55 | 4 |
| 2015 | 482 | 12.784,12 | 26,52 | 3 |
| 2016 | 545 | 13.351,86 | 24,50 | 3 |
| 2017 | 519 | 12.633,28 | 24,34 | 3 |
| 2018 | 517 | 12.224,78 | 23,65 | 3 |
| 2019 | 526 | 12.421,90 | 23,62 | 3 |
| 2020 | 468 | 12.170,13 | 26,00 | 3 |
| 2021 | 432 | 11.197,18 | 25,92 | 3 |
| 2022 | 429 | 11.411,54 | 26,60 | 3 |
| 2023 | 420 | 10.656,43 | 25,37 | 3 |
| 2024 | 385 | 10.066,88 | 26,15 | 3 |
| totale | 9.721 | 237.521,54 | 24,43 | 47 |