| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 123 | 2.385,90 | 19,40 | 1 |
| 2008 | 39 | 905,38 | 23,21 | 1 |
| 2009 | 60 | 1.359,25 | 22,65 | 1 |
| 2010 | 70 | 1.545,21 | 22,07 | 2 |
| 2012 | 77 | 1.480,45 | 19,23 | 2 |
| 2013 | 70 | 1.386,30 | 19,80 | 2 |
| 2014 | 67 | 1.655,91 | 24,72 | 2 |
| 2015 | 70 | 2.789,61 | 39,85 | 2 |
| 2016 | 75 | 1.922,56 | 25,63 | 2 |
| 2017 | 70 | 1.835,99 | 26,23 | 2 |
| 2018 | 73 | 1.682,90 | 23,05 | 2 |
| 2019 | 70 | 1.812,12 | 25,89 | 2 |
| 2020 | 57 | 1.275,15 | 22,37 | 2 |
| 2021 | 66 | 1.478,66 | 22,40 | 2 |
| 2022 | 70 | 1.526,40 | 21,81 | 2 |
| 2023 | 64 | 1.291,64 | 20,18 | 2 |
| 2024 | 56 | 1.199,54 | 21,42 | 2 |
| totale | 1.177 | 27.532,97 | 23,39 | 31 |