| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 549 | 10.563,55 | 19,24 | 2 |
| 2007 | 460 | 9.750,69 | 21,20 | 2 |
| 2008 | 725 | 15.480,09 | 21,35 | 2 |
| 2009 | 675 | 13.433,74 | 19,90 | 3 |
| 2010 | 748 | 13.893,13 | 18,57 | 4 |
| 2011 | 801 | 15.175,13 | 18,95 | 3 |
| 2012 | 758 | 15.518,36 | 20,47 | 4 |
| 2013 | 768 | 14.388,21 | 18,73 | 4 |
| 2014 | 967 | 22.368,31 | 23,13 | 5 |
| 2015 | 942 | 21.713,66 | 23,05 | 6 |
| 2016 | 1.043 | 26.405,09 | 25,32 | 6 |
| 2017 | 1.011 | 24.122,17 | 23,86 | 6 |
| 2018 | 1.076 | 25.343,97 | 23,55 | 6 |
| 2019 | 568 | 14.108,95 | 24,84 | 5 |
| 2020 | 471 | 12.562,69 | 26,67 | 5 |
| 2021 | 330 | 8.784,73 | 26,62 | 5 |
| 2022 | 339 | 8.415,16 | 24,82 | 5 |
| 2023 | 457 | 10.674,51 | 23,36 | 6 |
| 2024 | 539 | 10.317,15 | 19,14 | 7 |
| totale | 13.227 | 293.019,29 | 22,15 | 86 |