| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 853 | 17.359,04 | 20,35 | 3 |
| 2007 | 812 | 19.187,08 | 23,63 | 2 |
| 2008 | 631 | 15.644,55 | 24,79 | 2 |
| 2009 | 734 | 17.165,30 | 23,39 | 3 |
| 2010 | 782 | 14.444,37 | 18,47 | 3 |
| 2011 | 746 | 15.456,30 | 20,72 | 3 |
| 2012 | 620 | 13.146,21 | 21,20 | 3 |
| 2013 | 565 | 11.204,55 | 19,83 | 4 |
| 2014 | 592 | 14.821,12 | 25,04 | 5 |
| 2015 | 558 | 13.749,89 | 24,64 | 5 |
| 2016 | 564 | 13.945,33 | 24,73 | 5 |
| 2017 | 554 | 13.040,17 | 23,54 | 5 |
| 2018 | 443 | 11.117,33 | 25,10 | 5 |
| 2019 | 451 | 11.638,73 | 25,81 | 5 |
| 2020 | 431 | 11.468,45 | 26,61 | 5 |
| 2021 | 384 | 10.311,31 | 26,85 | 5 |
| 2022 | 372 | 9.969,78 | 26,80 | 5 |
| 2023 | 326 | 9.694,96 | 29,74 | 5 |
| 2024 | 338 | 10.653,41 | 31,52 | 5 |
| totale | 10.756 | 254.017,88 | 23,62 | 78 |