| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 33 | 1.097,82 | 33,27 | 2 |
| 2007 | 28 | 708,59 | 25,31 | 1 |
| 2008 | 32 | 1.031,11 | 32,22 | 1 |
| 2009 | 57 | 1.394,23 | 24,46 | 2 |
| 2010 | 52 | 996,64 | 19,17 | 2 |
| 2011 | 30 | 712,38 | 23,75 | 1 |
| 2012 | 64 | 1.371,76 | 21,43 | 2 |
| 2013 | 49 | 952,86 | 19,45 | 2 |
| 2014 | 50 | 1.106,21 | 22,12 | 2 |
| 2015 | 70 | 1.376,70 | 19,67 | 2 |
| 2016 | 56 | 1.186,19 | 21,18 | 2 |
| 2017 | 52 | 1.049,52 | 20,18 | 2 |
| 2018 | 63 | 1.393,74 | 22,12 | 2 |
| 2019 | 66 | 1.540,88 | 23,35 | 2 |
| 2020 | 62 | 1.502,04 | 24,23 | 2 |
| 2021 | 50 | 1.309,79 | 26,20 | 2 |
| 2022 | 51 | 1.441,63 | 28,27 | 2 |
| 2023 | 49 | 1.371,87 | 28,00 | 2 |
| 2024 | 12 | 326,58 | 27,22 | 2 |
| totale | 926 | 21.870,54 | 23,62 | 35 |