| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 83 | 1.293,44 | 15,58 | 2 |
| 2007 | 12 | 186,67 | 15,56 | 2 |
| 2008 | 15 | 199,07 | 13,27 | 1 |
| 2009 | 20 | 373,36 | 18,67 | 3 |
| 2010 | 31 | 589,29 | 19,01 | 3 |
| 2011 | 14 | 188,15 | 13,44 | 1 |
| 2012 | 24 | 361,09 | 15,05 | 3 |
| 2013 | 33 | 594,47 | 18,01 | 3 |
| 2014 | 34 | 584,75 | 17,20 | 3 |
| 2015 | 22 | 430,58 | 19,57 | 1 |
| 2016 | 21 | 349,09 | 16,62 | 2 |
| 2017 | 26 | 563,54 | 21,67 | 2 |
| 2018 | 23 | 556,79 | 24,21 | 2 |
| 2019 | 19 | 422,27 | 22,22 | 2 |
| 2020 | 19 | 560,27 | 29,49 | 2 |
| 2021 | 20 | 447,92 | 22,40 | 2 |
| 2022 | 24 | 496,24 | 20,68 | 2 |
| 2023 | 22 | 633,45 | 28,79 | 2 |
| 2024 | 17 | 549,75 | 32,34 | 2 |
| totale | 479 | 9.380,19 | 19,58 | 40 |