| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 30 | 369,23 | 12,31 | 1 |
| 2007 | 19 | 388,13 | 20,43 | 1 |
| 2008 | 25 | 595,49 | 23,82 | 1 |
| 2009 | 6 | 92,08 | 15,35 | 1 |
| 2010 | 22 | 388,55 | 17,66 | 2 |
| 2011 | 23 | 604,46 | 26,28 | 1 |
| 2012 | 22 | 372,06 | 16,91 | 2 |
| 2013 | 26 | 399,18 | 15,35 | 2 |
| 2014 | 23 | 486,19 | 21,14 | 2 |
| 2015 | 22 | 458,11 | 20,82 | 2 |
| 2016 | 21 | 410,16 | 19,53 | 2 |
| 2017 | 22 | 448,82 | 20,40 | 2 |
| 2018 | 18 | 410,43 | 22,80 | 2 |
| 2019 | 19 | 441,43 | 23,23 | 2 |
| 2020 | 29 | 626,33 | 21,60 | 2 |
| 2021 | 27 | 604,51 | 22,39 | 2 |
| 2022 | 29 | 766,27 | 26,42 | 2 |
| 2023 | 35 | 1.004,04 | 28,69 | 3 |
| 2024 | 6 | 99,48 | 16,58 | 2 |
| totale | 424 | 8.964,95 | 21,14 | 34 |