| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 638 | 19.621,46 | 30,75 | 2 |
| 2007 | 678 | 23.698,09 | 34,95 | 1 |
| 2008 | 662 | 23.884,80 | 36,08 | 1 |
| 2009 | 681 | 23.861,15 | 35,04 | 2 |
| 2010 | 887 | 25.269,55 | 28,49 | 3 |
| 2011 | 939 | 26.968,57 | 28,72 | 2 |
| 2012 | 931 | 27.699,38 | 29,75 | 3 |
| 2013 | 919 | 26.693,01 | 29,05 | 3 |
| 2014 | 878 | 30.828,67 | 35,11 | 3 |
| 2015 | 838 | 29.396,76 | 35,08 | 4 |
| 2016 | 778 | 26.480,77 | 34,04 | 4 |
| 2017 | 743 | 24.283,34 | 32,68 | 4 |
| 2018 | 722 | 23.841,47 | 33,02 | 3 |
| 2019 | 698 | 24.108,85 | 34,54 | 3 |
| 2020 | 666 | 26.050,40 | 39,11 | 3 |
| 2021 | 650 | 24.580,59 | 37,82 | 3 |
| 2022 | 628 | 23.889,81 | 38,04 | 3 |
| 2023 | 630 | 23.404,86 | 37,15 | 4 |
| 2024 | 605 | 28.079,76 | 46,41 | 4 |
| totale | 14.171 | 482.641,29 | 34,06 | 55 |