| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.495 | 41.213,20 | 27,57 | 3 |
| 2007 | 950 | 35.276,48 | 37,13 | 2 |
| 2008 | 975 | 33.431,00 | 34,29 | 3 |
| 2009 | 961 | 30.018,26 | 31,24 | 3 |
| 2010 | 1.148 | 26.856,21 | 23,39 | 2 |
| 2011 | 1.066 | 24.819,90 | 23,28 | 1 |
| 2012 | 1.025 | 25.321,76 | 24,70 | 3 |
| 2013 | 990 | 22.797,34 | 23,03 | 3 |
| 2014 | 925 | 27.504,23 | 29,73 | 3 |
| 2015 | 853 | 24.137,14 | 28,30 | 4 |
| 2016 | 721 | 20.389,25 | 28,28 | 4 |
| 2017 | 670 | 18.455,59 | 27,55 | 4 |
| 2018 | 614 | 17.049,25 | 27,77 | 4 |
| 2019 | 580 | 16.992,28 | 29,30 | 4 |
| 2020 | 521 | 15.467,01 | 29,69 | 4 |
| 2021 | 462 | 13.804,65 | 29,88 | 4 |
| 2022 | 447 | 14.514,54 | 32,47 | 4 |
| 2023 | 419 | 12.709,77 | 30,33 | 6 |
| 2024 | 402 | 12.042,47 | 29,96 | 7 |
| totale | 15.224 | 432.800,33 | 28,43 | 68 |