| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 717 | 17.796,21 | 24,82 | 2 |
| 2007 | 599 | 17.578,60 | 29,35 | 2 |
| 2008 | 767 | 24.204,97 | 31,56 | 2 |
| 2009 | 732 | 23.091,10 | 31,55 | 4 |
| 2010 | 895 | 21.735,78 | 24,29 | 4 |
| 2011 | 839 | 20.167,29 | 24,04 | 3 |
| 2012 | 823 | 21.850,92 | 26,55 | 4 |
| 2013 | 915 | 22.538,22 | 24,63 | 4 |
| 2014 | 828 | 26.143,88 | 31,57 | 5 |
| 2015 | 838 | 26.995,99 | 32,21 | 5 |
| 2016 | 992 | 29.673,42 | 29,91 | 5 |
| 2017 | 970 | 28.353,56 | 29,23 | 5 |
| 2018 | 925 | 27.586,01 | 29,82 | 4 |
| 2019 | 898 | 26.911,37 | 29,97 | 4 |
| 2020 | 880 | 27.759,17 | 31,54 | 4 |
| 2021 | 792 | 24.531,36 | 30,97 | 4 |
| 2022 | 728 | 22.862,87 | 31,41 | 4 |
| 2023 | 710 | 22.281,68 | 31,38 | 5 |
| 2024 | 707 | 20.842,98 | 29,48 | 5 |
| totale | 15.555 | 452.905,38 | 29,12 | 75 |