| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 328 | 6.038,29 | 18,41 | 3 |
| 2007 | 351 | 8.051,78 | 22,94 | 3 |
| 2008 | 228 | 4.440,78 | 19,48 | 2 |
| 2009 | 505 | 10.929,42 | 21,64 | 5 |
| 2010 | 572 | 11.735,39 | 20,52 | 4 |
| 2011 | 654 | 13.673,89 | 20,91 | 4 |
| 2012 | 722 | 15.925,01 | 22,06 | 5 |
| 2013 | 725 | 16.305,64 | 22,49 | 5 |
| 2014 | 856 | 24.053,80 | 28,10 | 5 |
| 2015 | 884 | 25.630,36 | 28,99 | 5 |
| 2016 | 867 | 24.922,46 | 28,75 | 5 |
| 2017 | 895 | 24.891,02 | 27,81 | 5 |
| 2018 | 980 | 26.590,31 | 27,13 | 5 |
| 2019 | 980 | 28.922,75 | 29,51 | 5 |
| 2020 | 958 | 29.384,83 | 30,67 | 5 |
| 2021 | 979 | 28.381,96 | 28,99 | 5 |
| 2022 | 1.088 | 31.463,60 | 28,92 | 5 |
| 2023 | 1.275 | 35.244,26 | 27,64 | 6 |
| 2024 | 1.424 | 38.337,65 | 26,92 | 6 |
| totale | 15.271 | 404.923,20 | 26,52 | 88 |