| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 713 | 21.653,15 | 30,37 | 4 |
| 2007 | 569 | 21.305,22 | 37,44 | 4 |
| 2008 | 596 | 24.344,22 | 40,85 | 4 |
| 2009 | 596 | 24.064,21 | 40,38 | 5 |
| 2010 | 558 | 19.812,97 | 35,51 | 5 |
| 2011 | 462 | 17.056,13 | 36,92 | 4 |
| 2012 | 510 | 17.216,57 | 33,76 | 4 |
| 2013 | 500 | 15.721,73 | 31,44 | 4 |
| 2014 | 456 | 19.136,28 | 41,97 | 3 |
| 2015 | 564 | 21.960,47 | 38,94 | 4 |
| 2016 | 605 | 22.383,69 | 37,00 | 6 |
| 2017 | 621 | 22.733,53 | 36,61 | 6 |
| 2018 | 610 | 22.029,22 | 36,11 | 5 |
| 2019 | 589 | 20.908,51 | 35,50 | 5 |
| 2020 | 538 | 20.578,94 | 38,25 | 5 |
| 2021 | 514 | 18.575,61 | 36,14 | 6 |
| 2022 | 311 | 9.215,00 | 29,63 | 5 |
| 2023 | 330 | 9.686,11 | 29,35 | 5 |
| 2024 | 459 | 13.004,41 | 28,33 | 11 |
| totale | 10.101 | 361.385,97 | 35,78 | 95 |