| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 107 | 1.670,22 | 15,61 | 1 |
| 2009 | 14 | 232,27 | 16,59 | 1 |
| 2010 | 13 | 184,01 | 14,15 | 1 |
| 2012 | 33 | 478,78 | 14,51 | 1 |
| 2013 | 13 | 224,73 | 17,29 | 1 |
| 2014 | 29 | 584,26 | 20,15 | 2 |
| 2015 | 28 | 651,64 | 23,27 | 2 |
| 2016 | 28 | 490,53 | 17,52 | 2 |
| 2017 | 29 | 482,50 | 16,64 | 2 |
| 2018 | 30 | 606,62 | 20,22 | 2 |
| 2019 | 28 | 512,28 | 18,30 | 2 |
| 2020 | 29 | 596,22 | 20,56 | 2 |
| 2021 | 20 | 409,93 | 20,50 | 2 |
| 2022 | 24 | 533,56 | 22,23 | 2 |
| 2023 | 14 | 215,31 | 15,38 | 1 |
| 2024 | 14 | 224,63 | 16,05 | 1 |
| totale | 453 | 8.097,49 | 17,88 | 25 |