| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 133 | 3.025,78 | 22,75 | 1 |
| 2009 | 17 | 214,94 | 12,64 | 1 |
| 2010 | 22 | 307,88 | 13,99 | 1 |
| 2012 | 23 | 549,13 | 23,88 | 2 |
| 2013 | 24 | 665,56 | 27,73 | 2 |
| 2014 | 25 | 1.166,24 | 46,65 | 2 |
| 2015 | 44 | 1.547,89 | 35,18 | 3 |
| 2016 | 12 | 333,78 | 27,82 | 1 |
| 2017 | 13 | 277,38 | 21,34 | 1 |
| 2018 | 12 | 286,53 | 23,88 | 1 |
| 2019 | 11 | 237,85 | 21,62 | 1 |
| 2020 | 14 | 313,90 | 22,42 | 1 |
| 2021 | 11 | 283,49 | 25,77 | 1 |
| 2022 | 11 | 271,92 | 24,72 | 1 |
| 2023 | 20 | 464,88 | 23,24 | 2 |
| 2024 | 14 | 387,64 | 27,69 | 2 |
| totale | 406 | 10.334,79 | 25,46 | 23 |