| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 915 | 31.651,97 | 34,59 | 2 |
| 2007 | 847 | 34.129,35 | 40,29 | 1 |
| 2008 | 948 | 33.855,32 | 35,71 | 1 |
| 2009 | 1.064 | 38.244,59 | 35,94 | 2 |
| 2010 | 973 | 29.670,25 | 30,49 | 2 |
| 2011 | 864 | 25.628,55 | 29,66 | 1 |
| 2012 | 925 | 28.290,08 | 30,58 | 3 |
| 2013 | 822 | 22.767,11 | 27,70 | 2 |
| 2014 | 714 | 24.204,61 | 33,90 | 3 |
| 2015 | 710 | 26.667,60 | 37,56 | 3 |
| 2016 | 633 | 22.921,17 | 36,21 | 3 |
| 2017 | 592 | 21.372,87 | 36,10 | 3 |
| 2018 | 557 | 20.313,34 | 36,47 | 3 |
| 2019 | 786 | 30.149,52 | 38,36 | 4 |
| 2020 | 619 | 23.116,05 | 37,34 | 4 |
| 2021 | 575 | 19.712,29 | 34,28 | 5 |
| 2022 | 477 | 16.874,49 | 35,38 | 4 |
| 2023 | 396 | 14.393,50 | 36,35 | 10 |
| 2024 | 351 | 12.777,79 | 36,40 | 10 |
| totale | 13.768 | 476.740,45 | 34,63 | 66 |