| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 367 | 7.625,28 | 20,78 | 2 |
| 2007 | 124 | 2.411,23 | 19,45 | 1 |
| 2008 | 110 | 2.194,26 | 19,95 | 1 |
| 2009 | 260 | 5.739,50 | 22,08 | 4 |
| 2010 | 285 | 5.518,97 | 19,36 | 4 |
| 2011 | 184 | 3.540,09 | 19,24 | 2 |
| 2012 | 229 | 5.412,31 | 23,63 | 4 |
| 2013 | 221 | 4.398,41 | 19,90 | 3 |
| 2014 | 135 | 2.988,94 | 22,14 | 3 |
| 2015 | 625 | 13.279,42 | 21,25 | 4 |
| 2016 | 529 | 11.753,28 | 22,22 | 4 |
| 2017 | 514 | 11.649,97 | 22,67 | 4 |
| 2018 | 537 | 12.603,29 | 23,47 | 5 |
| 2019 | 432 | 10.947,11 | 25,34 | 5 |
| 2020 | 630 | 15.195,56 | 24,12 | 5 |
| 2021 | 451 | 11.619,24 | 25,76 | 5 |
| 2022 | 399 | 11.865,07 | 29,74 | 5 |
| 2023 | 387 | 10.447,76 | 27,00 | 7 |
| 2024 | 491 | 11.715,60 | 23,86 | 8 |
| totale | 6.910 | 160.905,29 | 23,29 | 76 |