| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 34 | 1.279,13 | 37,62 | 1 |
| 2009 | 17 | 858,08 | 50,48 | 1 |
| 2010 | 23 | 830,13 | 36,09 | 1 |
| 2012 | 25 | 1.216,08 | 48,64 | 2 |
| 2013 | 143 | 3.983,38 | 27,86 | 2 |
| 2014 | 135 | 4.423,30 | 32,77 | 2 |
| 2015 | 120 | 4.077,14 | 33,98 | 2 |
| 2016 | 36 | 1.539,28 | 42,76 | 2 |
| 2017 | 39 | 1.581,73 | 40,56 | 2 |
| 2018 | 32 | 1.198,78 | 37,46 | 2 |
| 2019 | 31 | 1.501,88 | 48,45 | 2 |
| 2020 | 57 | 2.377,21 | 41,71 | 3 |
| 2021 | 51 | 2.222,90 | 43,59 | 3 |
| 2022 | 56 | 2.679,89 | 47,86 | 3 |
| 2023 | 45 | 2.032,38 | 45,16 | 2 |
| 2024 | 47 | 1.948,29 | 41,45 | 2 |
| totale | 891 | 33.749,58 | 37,88 | 32 |