| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 200 | 4.652,05 | 23,26 | 2 |
| 2007 | 175 | 7.376,59 | 42,15 | 4 |
| 2008 | 96 | 3.730,94 | 38,86 | 2 |
| 2009 | 211 | 7.519,79 | 35,64 | 3 |
| 2010 | 214 | 4.979,26 | 23,27 | 4 |
| 2011 | 118 | 2.574,46 | 21,82 | 3 |
| 2012 | 326 | 7.157,02 | 21,95 | 4 |
| 2013 | 291 | 6.856,90 | 23,56 | 5 |
| 2014 | 279 | 10.199,52 | 36,56 | 4 |
| 2015 | 268 | 8.454,40 | 31,55 | 5 |
| 2016 | 265 | 7.428,23 | 28,03 | 6 |
| 2017 | 267 | 7.962,98 | 29,82 | 7 |
| 2018 | 369 | 12.678,78 | 34,36 | 9 |
| 2019 | 450 | 16.025,84 | 35,61 | 11 |
| 2020 | 429 | 14.999,27 | 34,96 | 11 |
| 2021 | 410 | 16.425,70 | 40,06 | 11 |
| 2022 | 336 | 12.892,01 | 38,37 | 12 |
| 2023 | 333 | 12.646,35 | 37,98 | 12 |
| 2024 | 329 | 12.399,81 | 37,69 | 11 |
| totale | 5.366 | 176.959,90 | 32,98 | 126 |