| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 40 | 591,08 | 14,78 | 1 |
| 2009 | 12 | 252,21 | 21,02 | 2 |
| 2010 | 19 | 388,88 | 20,47 | 2 |
| 2011 | 11 | 137,84 | 12,53 | 1 |
| 2012 | 17 | 364,24 | 21,43 | 1 |
| 2013 | 20 | 317,64 | 15,88 | 2 |
| 2014 | 17 | 353,16 | 20,77 | 1 |
| 2015 | 25 | 533,55 | 21,34 | 2 |
| 2016 | 22 | 447,62 | 20,35 | 2 |
| 2017 | 24 | 538,50 | 22,44 | 2 |
| 2018 | 21 | 464,50 | 22,12 | 2 |
| 2019 | 25 | 428,44 | 17,14 | 2 |
| 2020 | 19 | 376,41 | 19,81 | 2 |
| 2021 | 15 | 200,03 | 13,34 | 2 |
| 2022 | 20 | 466,51 | 23,33 | 2 |
| 2023 | 18 | 303,86 | 16,88 | 2 |
| 2024 | 27 | 550,73 | 20,40 | 3 |
| totale | 352 | 6.715,20 | 19,08 | 31 |