| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 326 | 5.688,68 | 17,45 | 1 |
| 2007 | 102 | 2.870,23 | 28,14 | 1 |
| 2008 | 179 | 6.118,59 | 34,18 | 3 |
| 2009 | 209 | 5.236,88 | 25,06 | 3 |
| 2010 | 314 | 7.142,48 | 22,75 | 3 |
| 2011 | 165 | 4.639,27 | 28,12 | 2 |
| 2012 | 374 | 8.198,41 | 21,92 | 3 |
| 2013 | 404 | 7.894,75 | 19,54 | 4 |
| 2014 | 473 | 11.948,43 | 25,26 | 4 |
| 2015 | 423 | 11.418,40 | 26,99 | 4 |
| 2016 | 394 | 10.588,43 | 26,87 | 4 |
| 2017 | 400 | 10.597,90 | 26,49 | 4 |
| 2018 | 371 | 10.807,13 | 29,13 | 4 |
| 2019 | 365 | 10.319,93 | 28,27 | 4 |
| 2020 | 348 | 9.883,19 | 28,40 | 4 |
| 2021 | 330 | 9.693,24 | 29,37 | 4 |
| 2022 | 333 | 10.042,32 | 30,16 | 4 |
| 2023 | 306 | 8.954,46 | 29,26 | 4 |
| 2024 | 367 | 9.706,63 | 26,45 | 4 |
| totale | 6.183 | 161.749,35 | 26,16 | 64 |