| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.006 | 20.627,77 | 20,50 | 6 |
| 2007 | 770 | 18.947,78 | 24,61 | 6 |
| 2008 | 808 | 19.311,76 | 23,90 | 6 |
| 2009 | 881 | 20.637,31 | 23,42 | 8 |
| 2010 | 938 | 19.581,27 | 20,88 | 8 |
| 2011 | 855 | 17.099,28 | 20,00 | 6 |
| 2012 | 268 | 5.968,34 | 22,27 | 5 |
| 2013 | 789 | 16.673,45 | 21,13 | 9 |
| 2014 | 788 | 20.255,96 | 25,71 | 8 |
| 2015 | 768 | 19.913,72 | 25,93 | 8 |
| 2016 | 749 | 19.500,05 | 26,03 | 9 |
| 2017 | 751 | 19.437,48 | 25,88 | 9 |
| 2018 | 752 | 18.532,62 | 24,64 | 9 |
| 2019 | 446 | 11.312,21 | 25,36 | 8 |
| 2020 | 726 | 18.521,49 | 25,51 | 9 |
| 2021 | 693 | 17.481,60 | 25,23 | 10 |
| 2022 | 686 | 17.539,89 | 25,57 | 10 |
| 2023 | 694 | 17.357,78 | 25,01 | 11 |
| 2024 | 711 | 17.461,64 | 24,56 | 11 |
| totale | 14.079 | 336.161,40 | 23,88 | 156 |