| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 947 | 17.418,87 | 18,39 | 2 |
| 2007 | 912 | 19.766,56 | 21,67 | 1 |
| 2008 | 907 | 19.702,63 | 21,72 | 1 |
| 2009 | 847 | 17.702,13 | 20,90 | 2 |
| 2010 | 845 | 15.178,32 | 17,96 | 2 |
| 2011 | 822 | 14.652,99 | 17,83 | 1 |
| 2012 | 906 | 16.672,22 | 18,40 | 2 |
| 2013 | 905 | 16.237,60 | 17,94 | 2 |
| 2014 | 963 | 20.758,98 | 21,56 | 2 |
| 2015 | 952 | 20.560,46 | 21,60 | 2 |
| 2016 | 925 | 21.267,36 | 22,99 | 2 |
| 2017 | 928 | 21.034,87 | 22,67 | 3 |
| 2018 | 944 | 20.798,35 | 22,03 | 3 |
| 2019 | 1.085 | 24.581,36 | 22,66 | 3 |
| 2020 | 1.019 | 24.914,85 | 24,45 | 3 |
| 2021 | 1.059 | 23.108,82 | 21,82 | 3 |
| 2022 | 1.077 | 25.621,70 | 23,79 | 3 |
| 2023 | 1.055 | 24.747,91 | 23,46 | 3 |
| 2024 | 1.059 | 25.273,80 | 23,87 | 3 |
| totale | 18.157 | 389.999,78 | 21,48 | 43 |