| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 348 | 6.529,46 | 18,76 | 3 |
| 2007 | 278 | 5.547,91 | 19,96 | 1 |
| 2008 | 304 | 6.122,94 | 20,14 | 1 |
| 2009 | 328 | 6.348,03 | 19,35 | 2 |
| 2010 | 337 | 5.193,03 | 15,41 | 2 |
| 2011 | 311 | 4.963,88 | 15,96 | 1 |
| 2012 | 329 | 5.850,97 | 17,78 | 2 |
| 2013 | 305 | 5.029,89 | 16,49 | 2 |
| 2014 | 327 | 6.627,96 | 20,27 | 2 |
| 2015 | 305 | 6.359,81 | 20,85 | 2 |
| 2016 | 291 | 6.433,34 | 22,11 | 2 |
| 2017 | 286 | 6.265,62 | 21,91 | 2 |
| 2018 | 287 | 6.325,13 | 22,04 | 2 |
| 2019 | 298 | 6.533,93 | 21,93 | 2 |
| 2020 | 302 | 7.406,63 | 24,53 | 2 |
| 2021 | 293 | 7.003,82 | 23,90 | 2 |
| 2022 | 272 | 6.846,26 | 25,17 | 2 |
| 2023 | 268 | 7.164,60 | 26,73 | 2 |
| 2024 | 257 | 5.854,27 | 22,78 | 2 |
| totale | 5.726 | 118.407,48 | 20,68 | 36 |