| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 690 | 17.607,77 | 25,52 | 3 |
| 2007 | 152 | 4.647,33 | 30,57 | 1 |
| 2008 | 445 | 15.036,24 | 33,79 | 3 |
| 2009 | 477 | 14.919,16 | 31,28 | 4 |
| 2010 | 225 | 5.539,27 | 24,62 | 3 |
| 2011 | 481 | 15.678,49 | 32,60 | 3 |
| 2012 | 249 | 7.199,68 | 28,91 | 3 |
| 2013 | 542 | 15.620,57 | 28,82 | 4 |
| 2014 | 525 | 19.093,88 | 36,37 | 4 |
| 2015 | 533 | 18.431,42 | 34,58 | 5 |
| 2016 | 525 | 17.353,65 | 33,05 | 4 |
| 2017 | 496 | 15.450,72 | 31,15 | 4 |
| 2018 | 449 | 13.688,47 | 30,49 | 4 |
| 2019 | 406 | 12.388,30 | 30,51 | 4 |
| 2020 | 388 | 13.592,27 | 35,03 | 5 |
| 2021 | 341 | 12.722,36 | 37,31 | 5 |
| 2022 | 270 | 9.972,10 | 36,93 | 5 |
| 2023 | 341 | 14.117,71 | 41,40 | 6 |
| 2024 | 534 | 18.741,79 | 35,10 | 7 |
| totale | 8.069 | 261.801,18 | 32,45 | 77 |