| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 242 | 6.818,10 | 28,17 | 2 |
| 2008 | 47 | 2.749,12 | 58,49 | 2 |
| 2009 | 466 | 15.519,88 | 33,30 | 5 |
| 2010 | 668 | 17.059,27 | 25,54 | 4 |
| 2011 | 310 | 7.952,81 | 25,65 | 2 |
| 2012 | 470 | 11.960,94 | 25,45 | 4 |
| 2013 | 500 | 11.834,46 | 23,67 | 4 |
| 2014 | 543 | 16.529,39 | 30,44 | 6 |
| 2015 | 493 | 14.677,15 | 29,77 | 6 |
| 2016 | 495 | 14.960,26 | 30,22 | 5 |
| 2017 | 493 | 14.845,36 | 30,11 | 6 |
| 2018 | 490 | 13.748,66 | 28,06 | 7 |
| 2019 | 465 | 13.800,13 | 29,68 | 8 |
| 2020 | 463 | 14.092,58 | 30,44 | 7 |
| 2021 | 451 | 13.838,13 | 30,68 | 7 |
| 2022 | 422 | 14.339,45 | 33,98 | 6 |
| 2023 | 417 | 14.564,83 | 34,93 | 7 |
| 2024 | 439 | 13.689,56 | 31,18 | 10 |
| totale | 7.874 | 232.980,08 | 29,59 | 98 |