| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 227 | 4.678,12 | 20,61 | 2 |
| 2007 | 45 | 1.565,87 | 34,80 | 1 |
| 2008 | 43 | 1.363,17 | 31,70 | 1 |
| 2009 | 116 | 4.412,89 | 38,04 | 3 |
| 2010 | 66 | 1.321,32 | 20,02 | 2 |
| 2011 | 104 | 3.433,12 | 33,01 | 3 |
| 2012 | 167 | 5.300,61 | 31,74 | 4 |
| 2013 | 157 | 4.073,35 | 25,94 | 4 |
| 2014 | 177 | 4.925,32 | 27,83 | 4 |
| 2015 | 267 | 7.370,97 | 27,61 | 4 |
| 2016 | 353 | 7.353,87 | 20,83 | 3 |
| 2017 | 325 | 6.356,69 | 19,56 | 3 |
| 2018 | 316 | 6.326,75 | 20,02 | 3 |
| 2019 | 350 | 7.614,45 | 21,76 | 3 |
| 2020 | 318 | 6.925,47 | 21,78 | 3 |
| 2021 | 296 | 6.372,91 | 21,53 | 3 |
| 2022 | 288 | 6.394,86 | 22,20 | 3 |
| 2023 | 259 | 6.011,79 | 23,21 | 3 |
| 2024 | 269 | 6.052,90 | 22,50 | 3 |
| totale | 4.143 | 97.854,43 | 23,62 | 55 |