| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 216 | 7.437,68 | 34,43 | 3 |
| 2007 | 224 | 7.905,60 | 35,29 | 1 |
| 2008 | 399 | 14.463,71 | 36,25 | 3 |
| 2009 | 445 | 14.416,12 | 32,40 | 3 |
| 2010 | 467 | 12.957,31 | 27,75 | 3 |
| 2011 | 445 | 11.383,27 | 25,58 | 3 |
| 2012 | 296 | 9.478,67 | 32,02 | 3 |
| 2013 | 348 | 10.032,59 | 28,83 | 3 |
| 2014 | 337 | 11.827,47 | 35,10 | 3 |
| 2015 | 305 | 12.233,80 | 40,11 | 4 |
| 2016 | 328 | 12.289,48 | 37,47 | 4 |
| 2017 | 315 | 13.115,36 | 41,64 | 4 |
| 2018 | 304 | 12.655,26 | 41,63 | 4 |
| 2019 | 345 | 13.136,01 | 38,08 | 4 |
| 2020 | 299 | 11.357,62 | 37,99 | 4 |
| 2021 | 287 | 11.422,10 | 39,80 | 4 |
| 2022 | 271 | 11.552,34 | 42,63 | 4 |
| 2023 | 309 | 11.756,42 | 38,05 | 4 |
| 2024 | 299 | 10.658,83 | 35,65 | 4 |
| totale | 6.239 | 220.079,64 | 35,27 | 65 |