| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 333 | 5.933,39 | 17,82 | 2 |
| 2007 | 139 | 2.622,25 | 18,87 | 1 |
| 2008 | 298 | 6.341,24 | 21,28 | 2 |
| 2009 | 320 | 6.895,24 | 21,55 | 4 |
| 2010 | 413 | 7.982,79 | 19,33 | 6 |
| 2011 | 368 | 7.144,48 | 19,41 | 3 |
| 2012 | 364 | 7.963,14 | 21,88 | 6 |
| 2013 | 302 | 5.203,45 | 17,23 | 3 |
| 2014 | 338 | 7.568,60 | 22,39 | 4 |
| 2015 | 346 | 7.565,78 | 21,87 | 4 |
| 2016 | 311 | 7.132,48 | 22,93 | 4 |
| 2017 | 301 | 6.790,52 | 22,56 | 5 |
| 2018 | 281 | 6.121,60 | 21,79 | 5 |
| 2019 | 272 | 6.019,91 | 22,13 | 6 |
| 2020 | 233 | 4.895,24 | 21,01 | 6 |
| 2021 | 210 | 4.788,83 | 22,80 | 5 |
| 2022 | 166 | 3.776,57 | 22,75 | 5 |
| 2023 | 189 | 4.092,08 | 21,65 | 5 |
| 2024 | 192 | 3.966,94 | 20,66 | 5 |
| totale | 5.376 | 112.804,53 | 20,98 | 81 |