| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 902 | 23.632,89 | 26,20 | 6 |
| 2007 | 404 | 11.735,09 | 29,05 | 4 |
| 2008 | 437 | 12.531,26 | 28,68 | 7 |
| 2009 | 466 | 13.046,45 | 28,00 | 8 |
| 2010 | 470 | 12.320,42 | 26,21 | 11 |
| 2011 | 434 | 9.929,13 | 22,88 | 7 |
| 2012 | 366 | 9.179,85 | 25,08 | 8 |
| 2013 | 377 | 8.910,90 | 23,64 | 8 |
| 2014 | 405 | 11.528,82 | 28,47 | 9 |
| 2015 | 555 | 16.296,74 | 29,36 | 7 |
| 2016 | 515 | 14.766,83 | 28,67 | 5 |
| 2017 | 676 | 19.141,96 | 28,32 | 7 |
| 2018 | 626 | 16.689,46 | 26,66 | 7 |
| 2019 | 655 | 17.324,67 | 26,45 | 7 |
| 2020 | 650 | 18.953,55 | 29,16 | 7 |
| 2021 | 624 | 17.280,53 | 27,69 | 8 |
| 2022 | 566 | 16.254,81 | 28,72 | 7 |
| 2023 | 533 | 14.180,36 | 26,60 | 6 |
| 2024 | 491 | 13.205,17 | 26,89 | 7 |
| totale | 10.152 | 276.908,89 | 27,28 | 136 |