| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 135 | 2.038,52 | 15,10 | 1 |
| 2007 | 711 | 14.121,47 | 19,86 | 1 |
| 2008 | 652 | 12.912,88 | 19,81 | 1 |
| 2009 | 698 | 13.663,39 | 19,58 | 2 |
| 2010 | 719 | 11.327,19 | 15,75 | 2 |
| 2011 | 954 | 15.267,88 | 16,00 | 2 |
| 2012 | 889 | 14.864,44 | 16,72 | 2 |
| 2013 | 780 | 12.198,29 | 15,64 | 2 |
| 2014 | 699 | 13.894,99 | 19,88 | 3 |
| 2015 | 680 | 12.994,47 | 19,11 | 3 |
| 2016 | 635 | 11.615,16 | 18,29 | 3 |
| 2017 | 637 | 12.273,29 | 19,27 | 3 |
| 2018 | 622 | 11.751,97 | 18,89 | 3 |
| 2019 | 797 | 15.108,82 | 18,96 | 3 |
| 2020 | 738 | 14.573,89 | 19,75 | 3 |
| 2021 | 709 | 14.552,28 | 20,53 | 3 |
| 2022 | 677 | 13.835,27 | 20,44 | 3 |
| 2023 | 642 | 13.009,20 | 20,26 | 4 |
| 2024 | 629 | 13.873,38 | 22,06 | 4 |
| totale | 13.003 | 243.876,78 | 18,76 | 48 |