| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 613 | 8.069,39 | 13,16 | 2 |
| 2007 | 636 | 10.625,30 | 16,71 | 1 |
| 2008 | 571 | 7.815,61 | 13,69 | 1 |
| 2009 | 574 | 7.008,54 | 12,21 | 2 |
| 2010 | 688 | 7.869,25 | 11,44 | 2 |
| 2011 | 700 | 7.356,26 | 10,51 | 1 |
| 2012 | 625 | 7.855,50 | 12,57 | 2 |
| 2013 | 627 | 7.521,25 | 12,00 | 3 |
| 2014 | 77 | 1.493,26 | 19,39 | 2 |
| 2015 | 481 | 7.275,24 | 15,13 | 3 |
| 2016 | 405 | 6.280,63 | 15,51 | 4 |
| 2017 | 248 | 3.925,99 | 15,83 | 4 |
| 2018 | 386 | 5.605,36 | 14,52 | 4 |
| 2019 | 415 | 5.859,91 | 14,12 | 4 |
| 2020 | 215 | 3.889,59 | 18,09 | 4 |
| 2021 | 251 | 4.007,34 | 15,97 | 5 |
| 2022 | 297 | 5.108,29 | 17,20 | 5 |
| 2023 | 180 | 2.989,69 | 16,61 | 6 |
| 2024 | 265 | 3.885,99 | 14,66 | 5 |
| totale | 8.254 | 114.442,39 | 13,87 | 60 |