| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 947 | 17.618,42 | 18,60 | 2 |
| 2007 | 836 | 20.250,21 | 24,22 | 3 |
| 2008 | 973 | 22.655,95 | 23,28 | 3 |
| 2009 | 1.604 | 37.219,39 | 23,20 | 5 |
| 2010 | 1.230 | 24.753,41 | 20,12 | 4 |
| 2011 | 1.163 | 22.557,05 | 19,40 | 3 |
| 2012 | 991 | 20.868,99 | 21,06 | 5 |
| 2013 | 1.008 | 20.519,05 | 20,36 | 5 |
| 2014 | 923 | 21.844,95 | 23,67 | 5 |
| 2015 | 826 | 20.117,30 | 24,36 | 5 |
| 2016 | 957 | 27.039,96 | 28,25 | 7 |
| 2017 | 950 | 24.366,11 | 25,65 | 7 |
| 2018 | 912 | 23.606,24 | 25,88 | 7 |
| 2019 | 901 | 24.568,96 | 27,27 | 7 |
| 2020 | 982 | 27.288,77 | 27,79 | 7 |
| 2021 | 885 | 24.515,97 | 27,70 | 7 |
| 2022 | 870 | 24.450,64 | 28,10 | 8 |
| 2023 | 835 | 21.523,10 | 25,78 | 8 |
| 2024 | 836 | 21.925,08 | 26,23 | 9 |
| totale | 18.629 | 447.689,55 | 24,03 | 107 |