| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 629 | 13.891,85 | 22,09 | 2 |
| 2007 | 37 | 1.026,87 | 27,75 | 1 |
| 2008 | 37 | 923,06 | 24,95 | 1 |
| 2009 | 210 | 5.672,77 | 27,01 | 3 |
| 2010 | 442 | 8.176,37 | 18,50 | 4 |
| 2011 | 489 | 9.619,89 | 19,67 | 3 |
| 2012 | 666 | 13.748,83 | 20,64 | 6 |
| 2013 | 692 | 13.885,47 | 20,07 | 5 |
| 2014 | 722 | 17.922,68 | 24,82 | 6 |
| 2015 | 851 | 21.620,87 | 25,41 | 7 |
| 2016 | 886 | 22.954,55 | 25,91 | 7 |
| 2017 | 982 | 23.972,93 | 24,41 | 6 |
| 2018 | 940 | 22.945,53 | 24,41 | 6 |
| 2019 | 959 | 24.365,05 | 25,41 | 6 |
| 2020 | 1.078 | 27.126,84 | 25,16 | 6 |
| 2021 | 967 | 25.178,66 | 26,04 | 7 |
| 2022 | 886 | 23.598,72 | 26,64 | 6 |
| 2023 | 934 | 23.521,04 | 25,18 | 7 |
| 2024 | 1.015 | 25.661,68 | 25,28 | 8 |
| totale | 13.422 | 325.813,66 | 24,27 | 97 |