| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 8 | 86,78 | 10,85 | 1 |
| 2009 | 4 | 46,75 | 11,69 | 1 |
| 2010 | 4 | 38,56 | 9,64 | 1 |
| 2012 | 9 | 180,62 | 20,07 | 2 |
| 2013 | 25 | 541,56 | 21,66 | 2 |
| 2014 | 36 | 1.335,67 | 37,10 | 2 |
| 2015 | 36 | 1.398,07 | 38,84 | 2 |
| 2016 | 35 | 1.433,79 | 40,97 | 2 |
| 2017 | 37 | 1.232,58 | 33,31 | 2 |
| 2018 | 42 | 1.438,28 | 34,24 | 2 |
| 2019 | 43 | 1.242,48 | 28,89 | 2 |
| 2020 | 31 | 907,47 | 29,27 | 2 |
| 2021 | 27 | 841,09 | 31,15 | 2 |
| 2022 | 22 | 792,61 | 36,03 | 2 |
| 2023 | 21 | 746,58 | 35,55 | 2 |
| 2024 | 21 | 778,00 | 37,05 | 2 |
| totale | 401 | 13.040,89 | 32,52 | 29 |