| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 312 | 6.374,43 | 20,43 | 3 |
| 2007 | 224 | 5.604,05 | 25,02 | 2 |
| 2008 | 261 | 6.534,34 | 25,04 | 2 |
| 2009 | 345 | 9.241,45 | 26,79 | 3 |
| 2010 | 385 | 8.767,49 | 22,77 | 3 |
| 2011 | 329 | 6.366,67 | 19,35 | 1 |
| 2012 | 284 | 6.337,82 | 22,32 | 2 |
| 2013 | 299 | 5.879,41 | 19,66 | 2 |
| 2014 | 290 | 7.659,32 | 26,41 | 3 |
| 2015 | 294 | 7.165,21 | 24,37 | 5 |
| 2016 | 292 | 7.248,48 | 24,82 | 3 |
| 2017 | 282 | 6.944,56 | 24,63 | 3 |
| 2018 | 281 | 6.779,29 | 24,13 | 3 |
| 2019 | 279 | 6.562,05 | 23,52 | 3 |
| 2020 | 291 | 7.587,35 | 26,07 | 3 |
| 2021 | 289 | 7.383,08 | 25,55 | 3 |
| 2022 | 298 | 7.958,62 | 26,71 | 4 |
| 2023 | 303 | 7.922,18 | 26,15 | 5 |
| 2024 | 310 | 8.036,11 | 25,92 | 5 |
| totale | 5.648 | 136.351,91 | 24,14 | 58 |