| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 165 | 3.289,73 | 19,94 | 4 |
| 2007 | 41 | 1.286,31 | 31,37 | 3 |
| 2008 | 63 | 2.632,19 | 41,78 | 4 |
| 2009 | 86 | 3.143,48 | 36,55 | 5 |
| 2010 | 61 | 2.003,43 | 32,84 | 4 |
| 2011 | 23 | 829,79 | 36,08 | 3 |
| 2012 | 53 | 1.453,11 | 27,42 | 3 |
| 2013 | 42 | 1.167,52 | 27,80 | 3 |
| 2014 | 54 | 1.579,54 | 29,25 | 3 |
| 2015 | 68 | 2.169,86 | 31,91 | 3 |
| 2016 | 53 | 1.807,65 | 34,11 | 3 |
| 2017 | 58 | 1.950,90 | 33,64 | 4 |
| 2018 | 61 | 2.067,15 | 33,89 | 4 |
| 2019 | 52 | 1.901,91 | 36,58 | 4 |
| 2020 | 51 | 1.501,25 | 29,44 | 4 |
| 2021 | 54 | 1.640,50 | 30,38 | 3 |
| 2022 | 50 | 1.606,85 | 32,14 | 2 |
| 2023 | 51 | 1.512,96 | 29,67 | 3 |
| 2024 | 86 | 2.783,10 | 32,36 | 3 |
| totale | 1.172 | 36.327,23 | 31,00 | 65 |