| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 41 | 992,93 | 24,22 | 1 |
| 2009 | 39 | 1.202,01 | 30,82 | 2 |
| 2010 | 57 | 1.275,40 | 22,38 | 2 |
| 2011 | 74 | 1.740,00 | 23,51 | 1 |
| 2012 | 72 | 1.837,67 | 25,52 | 2 |
| 2013 | 78 | 1.668,12 | 21,39 | 2 |
| 2014 | 78 | 1.978,96 | 25,37 | 2 |
| 2015 | 86 | 1.765,53 | 20,53 | 2 |
| 2016 | 83 | 1.725,89 | 20,79 | 2 |
| 2017 | 70 | 1.611,21 | 23,02 | 2 |
| 2018 | 73 | 1.402,94 | 19,22 | 2 |
| 2019 | 63 | 1.548,97 | 24,59 | 2 |
| 2020 | 67 | 1.439,17 | 21,48 | 2 |
| 2021 | 57 | 1.708,36 | 29,97 | 2 |
| 2022 | 11 | 216,20 | 19,65 | 1 |
| 2023 | 8 | 126,17 | 15,77 | 1 |
| 2024 | 7 | 121,77 | 17,40 | 1 |
| totale | 964 | 22.361,30 | 23,20 | 29 |