| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 107 | 1.591,96 | 14,88 | 2 |
| 2007 | 23 | 310,41 | 13,50 | 1 |
| 2008 | 26 | 391,49 | 15,06 | 1 |
| 2009 | 42 | 627,80 | 14,95 | 2 |
| 2010 | 19 | 175,74 | 9,25 | 1 |
| 2012 | 57 | 748,39 | 13,13 | 2 |
| 2013 | 28 | 363,73 | 12,99 | 2 |
| 2014 | 21 | 312,43 | 14,88 | 1 |
| 2015 | 16 | 269,81 | 16,86 | 1 |
| 2016 | 30 | 468,77 | 15,63 | 2 |
| 2017 | 32 | 582,03 | 18,19 | 1 |
| 2018 | 43 | 730,39 | 16,99 | 2 |
| 2019 | 42 | 741,24 | 17,65 | 2 |
| 2020 | 38 | 751,52 | 19,78 | 2 |
| 2021 | 38 | 811,56 | 21,36 | 2 |
| 2022 | 39 | 868,55 | 22,27 | 2 |
| 2023 | 39 | 764,29 | 19,60 | 2 |
| 2024 | 33 | 697,44 | 21,13 | 2 |
| totale | 673 | 11.207,55 | 16,65 | 30 |