| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 77 | 1.711,89 | 22,23 | 2 |
| 2007 | 82 | 2.079,76 | 25,36 | 1 |
| 2008 | 55 | 1.582,26 | 28,77 | 1 |
| 2009 | 60 | 1.536,62 | 25,61 | 2 |
| 2010 | 91 | 2.082,53 | 22,88 | 2 |
| 2011 | 95 | 2.039,64 | 21,47 | 1 |
| 2012 | 91 | 2.112,63 | 23,22 | 3 |
| 2013 | 82 | 1.881,79 | 22,95 | 2 |
| 2014 | 82 | 1.958,66 | 23,89 | 2 |
| 2015 | 81 | 1.671,92 | 20,64 | 2 |
| 2016 | 88 | 2.182,66 | 24,80 | 2 |
| 2017 | 86 | 2.106,65 | 24,50 | 2 |
| 2018 | 72 | 1.821,62 | 25,30 | 2 |
| 2019 | 66 | 1.715,37 | 25,99 | 2 |
| 2020 | 57 | 1.471,75 | 25,82 | 2 |
| 2021 | 62 | 1.729,99 | 27,90 | 2 |
| 2022 | 59 | 1.603,31 | 27,17 | 2 |
| 2023 | 56 | 1.348,53 | 24,08 | 2 |
| 2024 | 47 | 1.058,94 | 22,53 | 2 |
| totale | 1.389 | 33.696,52 | 24,26 | 36 |