| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 84 | 1.307,36 | 15,56 | 1 |
| 2009 | 15 | 290,53 | 19,37 | 1 |
| 2010 | 20 | 290,25 | 14,51 | 1 |
| 2012 | 21 | 290,86 | 13,85 | 1 |
| 2013 | 16 | 223,77 | 13,99 | 1 |
| 2014 | 14 | 266,77 | 19,06 | 1 |
| 2015 | 19 | 396,77 | 20,88 | 1 |
| 2016 | 22 | 598,43 | 27,20 | 1 |
| 2017 | 19 | 362,99 | 19,10 | 1 |
| 2018 | 14 | 236,22 | 16,87 | 1 |
| 2019 | 16 | 309,45 | 19,34 | 1 |
| 2020 | 15 | 336,49 | 22,43 | 2 |
| 2021 | 18 | 359,23 | 19,96 | 2 |
| 2022 | 19 | 353,05 | 18,58 | 2 |
| 2023 | 19 | 273,98 | 14,42 | 2 |
| 2024 | 22 | 383,14 | 17,42 | 2 |
| totale | 353 | 6.279,29 | 17,79 | 21 |