| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 248 | 3.857,16 | 15,55 | 1 |
| 2009 | 71 | 1.220,23 | 17,19 | 1 |
| 2010 | 43 | 583,38 | 13,57 | 1 |
| 2011 | 48 | 855,43 | 17,82 | 1 |
| 2012 | 133 | 2.195,46 | 16,51 | 2 |
| 2013 | 87 | 1.504,67 | 17,30 | 2 |
| 2014 | 124 | 3.119,24 | 25,16 | 2 |
| 2015 | 69 | 1.342,91 | 19,46 | 1 |
| 2016 | 65 | 1.538,44 | 23,67 | 1 |
| 2017 | 63 | 1.725,46 | 27,39 | 1 |
| 2018 | 60 | 1.754,63 | 29,24 | 1 |
| 2019 | 63 | 1.643,97 | 26,09 | 1 |
| 2020 | 60 | 1.837,12 | 30,62 | 1 |
| 2021 | 68 | 2.135,18 | 31,40 | 2 |
| 2022 | 68 | 2.280,87 | 33,54 | 2 |
| 2023 | 53 | 2.067,02 | 39,00 | 2 |
| 2024 | 56 | 1.652,40 | 29,51 | 2 |
| totale | 1.379 | 31.313,57 | 22,71 | 24 |