| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 968 | 29.245,79 | 30,21 | 3 |
| 2007 | 359 | 18.058,17 | 50,30 | 2 |
| 2008 | 378 | 15.904,52 | 42,08 | 3 |
| 2009 | 547 | 19.576,63 | 35,79 | 4 |
| 2010 | 757 | 19.512,39 | 25,78 | 3 |
| 2011 | 413 | 12.129,38 | 29,37 | 2 |
| 2012 | 598 | 15.129,90 | 25,30 | 3 |
| 2013 | 650 | 14.998,24 | 23,07 | 4 |
| 2014 | 597 | 16.958,80 | 28,41 | 4 |
| 2015 | 522 | 14.564,56 | 27,90 | 4 |
| 2016 | 542 | 15.886,87 | 29,31 | 4 |
| 2017 | 541 | 17.551,49 | 32,44 | 4 |
| 2018 | 576 | 18.320,73 | 31,81 | 4 |
| 2019 | 597 | 17.815,41 | 29,84 | 4 |
| 2020 | 613 | 18.581,34 | 30,31 | 5 |
| 2021 | 590 | 18.594,66 | 31,52 | 5 |
| 2022 | 554 | 17.293,94 | 31,22 | 5 |
| 2023 | 569 | 18.891,94 | 33,20 | 5 |
| 2024 | 585 | 18.640,36 | 31,86 | 6 |
| totale | 10.956 | 337.655,12 | 30,82 | 74 |