| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 214 | 5.051,13 | 23,60 | 1 |
| 2009 | 36 | 1.232,06 | 34,22 | 1 |
| 2010 | 31 | 681,83 | 21,99 | 1 |
| 2012 | 38 | 1.231,34 | 32,40 | 2 |
| 2013 | 473 | 11.123,18 | 23,52 | 2 |
| 2014 | 467 | 14.491,28 | 31,03 | 2 |
| 2015 | 461 | 14.229,22 | 30,87 | 3 |
| 2016 | 589 | 19.899,04 | 33,78 | 3 |
| 2017 | 539 | 18.411,34 | 34,16 | 2 |
| 2018 | 573 | 19.331,56 | 33,74 | 3 |
| 2019 | 585 | 19.747,61 | 33,76 | 3 |
| 2020 | 556 | 19.869,60 | 35,74 | 3 |
| 2021 | 535 | 18.369,07 | 34,33 | 3 |
| 2022 | 513 | 17.376,66 | 33,87 | 2 |
| 2023 | 512 | 17.660,21 | 34,49 | 2 |
| 2024 | 535 | 17.485,12 | 32,68 | 3 |
| totale | 6.657 | 216.190,25 | 32,48 | 36 |