| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 215 | 3.490,15 | 16,23 | 2 |
| 2007 | 152 | 3.220,86 | 21,19 | 2 |
| 2008 | 163 | 3.576,21 | 21,94 | 2 |
| 2009 | 175 | 4.067,02 | 23,24 | 3 |
| 2010 | 146 | 3.502,30 | 23,99 | 3 |
| 2011 | 148 | 3.372,81 | 22,79 | 2 |
| 2012 | 17 | 321,58 | 18,92 | 2 |
| 2013 | 196 | 3.194,90 | 16,30 | 3 |
| 2014 | 188 | 4.083,85 | 21,72 | 3 |
| 2015 | 192 | 4.051,50 | 21,10 | 3 |
| 2016 | 24 | 521,39 | 21,72 | 2 |
| 2017 | 206 | 4.782,45 | 23,22 | 3 |
| 2018 | 217 | 4.469,92 | 20,60 | 3 |
| 2019 | 180 | 4.120,81 | 22,89 | 3 |
| 2020 | 146 | 4.115,95 | 28,19 | 3 |
| 2021 | 156 | 3.884,70 | 24,90 | 3 |
| 2022 | 168 | 4.307,53 | 25,64 | 3 |
| 2023 | 187 | 4.815,38 | 25,75 | 3 |
| 2024 | 180 | 4.926,42 | 27,37 | 4 |
| totale | 3.056 | 68.825,73 | 22,52 | 52 |