| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 635 | 15.808,19 | 24,89 | 5 |
| 2007 | 539 | 16.093,49 | 29,86 | 4 |
| 2008 | 676 | 19.847,95 | 29,36 | 7 |
| 2009 | 683 | 18.636,36 | 27,29 | 6 |
| 2010 | 804 | 17.637,55 | 21,94 | 9 |
| 2011 | 747 | 15.616,53 | 20,91 | 7 |
| 2012 | 735 | 16.795,25 | 22,85 | 7 |
| 2013 | 879 | 17.778,12 | 20,23 | 8 |
| 2014 | 722 | 18.899,25 | 26,18 | 7 |
| 2015 | 700 | 18.482,82 | 26,40 | 8 |
| 2016 | 679 | 18.782,18 | 27,66 | 7 |
| 2017 | 640 | 16.538,74 | 25,84 | 7 |
| 2018 | 578 | 14.641,76 | 25,33 | 7 |
| 2019 | 523 | 13.974,08 | 26,72 | 7 |
| 2020 | 487 | 13.671,94 | 28,07 | 7 |
| 2021 | 479 | 13.421,43 | 28,02 | 7 |
| 2022 | 445 | 14.379,19 | 32,31 | 8 |
| 2023 | 397 | 12.954,27 | 32,63 | 8 |
| 2024 | 386 | 13.077,43 | 33,88 | 8 |
| totale | 11.734 | 307.036,53 | 26,17 | 134 |