| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 13 | 356,17 | 27,40 | 1 |
| 2008 | 9 | 132,83 | 14,76 | 1 |
| 2009 | 2 | 31,44 | 15,72 | 1 |
| 2010 | 5 | 86,93 | 17,39 | 2 |
| 2011 | 50 | 1.393,02 | 27,86 | 1 |
| 2012 | 52 | 1.743,76 | 33,53 | 3 |
| 2013 | 63 | 2.029,53 | 32,21 | 3 |
| 2014 | 75 | 3.375,38 | 45,01 | 3 |
| 2015 | 65 | 2.698,54 | 41,52 | 3 |
| 2016 | 82 | 3.376,91 | 41,18 | 3 |
| 2017 | 73 | 2.896,41 | 39,68 | 3 |
| 2018 | 332 | 14.348,96 | 43,22 | 4 |
| 2019 | 312 | 13.490,30 | 43,24 | 4 |
| 2020 | 288 | 13.068,79 | 45,38 | 4 |
| 2021 | 266 | 12.693,11 | 47,72 | 4 |
| 2022 | 258 | 13.045,12 | 50,56 | 4 |
| 2023 | 242 | 12.170,06 | 50,29 | 3 |
| 2024 | 244 | 11.708,52 | 47,99 | 3 |
| totale | 2.431 | 108.645,78 | 44,69 | 50 |