| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 825 | 23.011,94 | 27,89 | 3 |
| 2007 | 710 | 22.227,00 | 31,31 | 3 |
| 2008 | 730 | 23.527,67 | 32,23 | 3 |
| 2009 | 653 | 19.806,70 | 30,33 | 4 |
| 2010 | 670 | 15.371,58 | 22,94 | 4 |
| 2011 | 592 | 14.955,84 | 25,26 | 3 |
| 2012 | 620 | 16.058,49 | 25,90 | 4 |
| 2013 | 582 | 13.199,50 | 22,68 | 4 |
| 2014 | 562 | 16.488,34 | 29,34 | 4 |
| 2015 | 611 | 19.427,08 | 31,80 | 5 |
| 2016 | 549 | 18.978,37 | 34,57 | 4 |
| 2017 | 564 | 18.531,03 | 32,86 | 4 |
| 2018 | 593 | 17.734,88 | 29,91 | 4 |
| 2019 | 611 | 19.296,45 | 31,58 | 4 |
| 2020 | 586 | 18.568,07 | 31,69 | 4 |
| 2021 | 557 | 16.534,25 | 29,68 | 3 |
| 2022 | 544 | 16.155,36 | 29,70 | 4 |
| 2023 | 508 | 15.009,17 | 29,55 | 5 |
| 2024 | 510 | 14.860,83 | 29,14 | 5 |
| totale | 11.577 | 339.742,55 | 29,35 | 74 |