| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 9 | 137,09 | 15,23 | 1 |
| 2007 | 17 | 380,11 | 22,36 | 1 |
| 2008 | 12 | 278,45 | 23,20 | 1 |
| 2009 | 15 | 339,93 | 22,66 | 3 |
| 2010 | 21 | 295,94 | 14,09 | 3 |
| 2011 | 14 | 179,04 | 12,79 | 1 |
| 2012 | 27 | 408,84 | 15,14 | 4 |
| 2013 | 23 | 302,49 | 13,15 | 3 |
| 2014 | 22 | 400,37 | 18,20 | 2 |
| 2015 | 21 | 302,48 | 14,40 | 2 |
| 2016 | 22 | 288,81 | 13,13 | 2 |
| 2017 | 22 | 351,79 | 15,99 | 2 |
| 2018 | 17 | 325,42 | 19,14 | 2 |
| 2019 | 22 | 381,49 | 17,34 | 2 |
| 2020 | 15 | 290,99 | 19,40 | 2 |
| 2021 | 20 | 463,03 | 23,15 | 2 |
| 2022 | 19 | 373,17 | 19,64 | 2 |
| 2023 | 29 | 480,13 | 16,56 | 2 |
| 2024 | 25 | 390,51 | 15,62 | 2 |
| totale | 372 | 6.370,08 | 17,12 | 39 |