| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 82 | 2.234,43 | 27,25 | 1 |
| 2009 | 33 | 885,02 | 26,82 | 1 |
| 2010 | 29 | 612,16 | 21,11 | 2 |
| 2011 | 3 | 27,56 | 9,19 | 1 |
| 2012 | 33 | 811,58 | 24,59 | 2 |
| 2013 | 33 | 690,58 | 20,93 | 2 |
| 2014 | 28 | 822,02 | 29,36 | 2 |
| 2015 | 49 | 1.623,25 | 33,13 | 3 |
| 2016 | 51 | 1.389,72 | 27,25 | 2 |
| 2017 | 49 | 1.344,94 | 27,45 | 2 |
| 2018 | 60 | 1.359,77 | 22,66 | 2 |
| 2019 | 51 | 1.114,83 | 21,86 | 2 |
| 2020 | 44 | 1.201,22 | 27,30 | 1 |
| 2021 | 40 | 971,25 | 24,28 | 1 |
| 2022 | 51 | 1.381,51 | 27,09 | 2 |
| 2023 | 49 | 1.366,56 | 27,89 | 2 |
| 2024 | 77 | 2.418,34 | 31,41 | 3 |
| totale | 762 | 20.254,74 | 26,58 | 31 |