| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 423 | 6.832,70 | 16,15 | 3 |
| 2007 | 416 | 9.667,25 | 23,24 | 4 |
| 2008 | 470 | 11.665,79 | 24,82 | 4 |
| 2009 | 493 | 11.067,78 | 22,45 | 6 |
| 2010 | 530 | 11.411,68 | 21,53 | 5 |
| 2011 | 464 | 9.423,97 | 20,31 | 4 |
| 2012 | 521 | 12.050,75 | 23,13 | 6 |
| 2013 | 533 | 11.117,39 | 20,86 | 7 |
| 2014 | 513 | 12.916,59 | 25,18 | 6 |
| 2015 | 517 | 13.093,49 | 25,33 | 7 |
| 2016 | 460 | 11.667,30 | 25,36 | 6 |
| 2017 | 441 | 11.123,66 | 25,22 | 6 |
| 2018 | 448 | 11.384,94 | 25,41 | 6 |
| 2019 | 444 | 10.417,91 | 23,46 | 7 |
| 2020 | 373 | 8.873,68 | 23,79 | 7 |
| 2021 | 236 | 4.746,72 | 20,11 | 7 |
| 2022 | 242 | 5.129,34 | 21,20 | 7 |
| 2023 | 232 | 4.965,27 | 21,40 | 6 |
| 2024 | 239 | 5.167,89 | 21,62 | 6 |
| totale | 7.995 | 182.724,10 | 22,85 | 110 |