| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 852 | 15.482,02 | 18,17 | 2 |
| 2007 | 457 | 16.487,74 | 36,08 | 3 |
| 2008 | 647 | 20.889,26 | 32,29 | 4 |
| 2009 | 668 | 18.423,46 | 27,58 | 5 |
| 2010 | 826 | 19.970,65 | 24,18 | 5 |
| 2011 | 752 | 23.632,00 | 31,43 | 4 |
| 2012 | 818 | 27.632,11 | 33,78 | 6 |
| 2013 | 926 | 30.005,98 | 32,40 | 6 |
| 2014 | 986 | 42.581,87 | 43,19 | 6 |
| 2015 | 967 | 42.019,47 | 43,45 | 6 |
| 2016 | 874 | 37.853,83 | 43,31 | 6 |
| 2017 | 876 | 36.250,34 | 41,38 | 6 |
| 2018 | 807 | 34.857,77 | 43,19 | 6 |
| 2019 | 875 | 34.870,05 | 39,85 | 8 |
| 2020 | 851 | 33.427,67 | 39,28 | 8 |
| 2021 | 847 | 32.068,19 | 37,86 | 8 |
| 2022 | 895 | 27.484,66 | 30,71 | 8 |
| 2023 | 762 | 28.040,93 | 36,80 | 10 |
| 2024 | 821 | 28.207,09 | 34,36 | 12 |
| totale | 15.507 | 550.185,09 | 35,48 | 119 |