| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 36 | 514,36 | 14,29 | 1 |
| 2009 | 25 | 325,17 | 13,01 | 1 |
| 2010 | 31 | 330,13 | 10,65 | 1 |
| 2012 | 23 | 316,73 | 13,77 | 1 |
| 2013 | 21 | 234,99 | 11,19 | 1 |
| 2014 | 26 | 509,10 | 19,58 | 2 |
| 2015 | 12 | 361,83 | 30,15 | 2 |
| 2016 | 14 | 538,41 | 38,46 | 2 |
| 2017 | 25 | 790,18 | 31,61 | 2 |
| 2018 | 31 | 936,29 | 30,20 | 2 |
| 2019 | 26 | 808,10 | 31,08 | 2 |
| 2020 | 22 | 716,51 | 32,57 | 2 |
| 2021 | 14 | 522,74 | 37,34 | 2 |
| 2022 | 11 | 451,83 | 41,08 | 2 |
| 2023 | 25 | 1.191,56 | 47,66 | 2 |
| 2024 | 18 | 907,08 | 50,39 | 2 |
| totale | 360 | 9.455,01 | 26,26 | 27 |