| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 655 | 13.293,58 | 20,30 | 2 |
| 2007 | 519 | 12.094,65 | 23,30 | 2 |
| 2008 | 431 | 10.042,59 | 23,30 | 2 |
| 2009 | 440 | 11.865,56 | 26,97 | 3 |
| 2010 | 433 | 8.513,11 | 19,66 | 3 |
| 2011 | 332 | 6.526,06 | 19,66 | 1 |
| 2012 | 417 | 8.840,17 | 21,20 | 3 |
| 2013 | 347 | 7.547,55 | 21,75 | 3 |
| 2014 | 330 | 8.721,24 | 26,43 | 3 |
| 2015 | 328 | 8.715,88 | 26,57 | 4 |
| 2016 | 323 | 9.012,42 | 27,90 | 4 |
| 2017 | 295 | 8.667,39 | 29,38 | 4 |
| 2018 | 303 | 8.362,25 | 27,60 | 4 |
| 2019 | 289 | 8.947,87 | 30,96 | 3 |
| 2020 | 280 | 9.109,55 | 32,53 | 3 |
| 2021 | 260 | 7.944,72 | 30,56 | 4 |
| 2022 | 232 | 7.469,29 | 32,20 | 5 |
| 2023 | 252 | 7.499,22 | 29,76 | 5 |
| 2024 | 349 | 10.144,59 | 29,07 | 6 |
| totale | 6.815 | 173.317,69 | 25,43 | 64 |