| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 24 | 438,67 | 18,28 | 1 |
| 2009 | 9 | 248,55 | 27,62 | 1 |
| 2010 | 10 | 245,02 | 24,50 | 1 |
| 2011 | 4 | 90,45 | 22,61 | 1 |
| 2012 | 19 | 576,70 | 30,35 | 2 |
| 2013 | 21 | 477,12 | 22,72 | 2 |
| 2014 | 22 | 846,33 | 38,47 | 2 |
| 2015 | 21 | 629,45 | 29,97 | 3 |
| 2016 | 20 | 581,52 | 29,08 | 2 |
| 2017 | 25 | 1.326,54 | 53,06 | 2 |
| 2018 | 22 | 747,51 | 33,98 | 2 |
| 2019 | 17 | 400,44 | 23,56 | 2 |
| 2020 | 18 | 659,90 | 36,66 | 2 |
| 2021 | 18 | 373,80 | 20,77 | 3 |
| 2022 | 20 | 657,79 | 32,89 | 2 |
| 2023 | 27 | 742,41 | 27,50 | 3 |
| 2024 | 39 | 973,36 | 24,96 | 3 |
| totale | 336 | 10.015,56 | 29,81 | 34 |