| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 16 | 212,50 | 13,28 | 1 |
| 2009 | 11 | 168,83 | 15,35 | 1 |
| 2010 | 13 | 233,35 | 17,95 | 1 |
| 2012 | 17 | 368,58 | 21,68 | 1 |
| 2013 | 21 | 450,02 | 21,43 | 1 |
| 2014 | 19 | 621,30 | 32,70 | 1 |
| 2015 | 13 | 419,35 | 32,26 | 1 |
| 2016 | 10 | 213,14 | 21,31 | 1 |
| 2017 | 13 | 309,74 | 23,83 | 1 |
| 2018 | 7 | 182,08 | 26,01 | 1 |
| 2019 | 11 | 280,41 | 25,49 | 1 |
| 2020 | 5 | 88,35 | 17,67 | 1 |
| 2021 | 12 | 222,31 | 18,53 | 1 |
| 2022 | 7 | 205,21 | 29,32 | 1 |
| 2023 | 4 | 91,11 | 22,78 | 1 |
| 2024 | 10 | 270,99 | 27,10 | 1 |
| totale | 189 | 4.337,27 | 22,95 | 16 |