| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 18 | 197,63 | 10,98 | 1 |
| 2009 | 2 | 45,38 | 22,69 | 1 |
| 2010 | 4 | 102,23 | 25,56 | 1 |
| 2012 | 16 | 299,62 | 18,73 | 2 |
| 2013 | 17 | 260,37 | 15,32 | 2 |
| 2014 | 26 | 366,94 | 14,11 | 2 |
| 2015 | 23 | 359,59 | 15,63 | 2 |
| 2016 | 27 | 376,94 | 13,96 | 2 |
| 2017 | 28 | 436,82 | 15,60 | 2 |
| 2018 | 24 | 407,37 | 16,97 | 2 |
| 2019 | 25 | 444,62 | 17,78 | 2 |
| 2020 | 25 | 429,29 | 17,17 | 2 |
| 2021 | 17 | 335,23 | 19,72 | 2 |
| 2022 | 15 | 317,20 | 21,15 | 2 |
| 2023 | 17 | 362,47 | 21,32 | 2 |
| 2024 | 16 | 293,31 | 18,33 | 2 |
| totale | 300 | 5.035,01 | 16,78 | 29 |