| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 294 | 4.114,55 | 14,00 | 2 |
| 2007 | 26 | 639,21 | 24,59 | 1 |
| 2008 | 19 | 442,51 | 23,29 | 1 |
| 2009 | 48 | 1.225,55 | 25,53 | 2 |
| 2010 | 58 | 1.402,95 | 24,19 | 2 |
| 2011 | 30 | 667,34 | 22,24 | 1 |
| 2012 | 68 | 1.530,81 | 22,51 | 2 |
| 2013 | 58 | 1.048,12 | 18,07 | 2 |
| 2014 | 53 | 982,73 | 18,54 | 2 |
| 2015 | 57 | 1.235,47 | 21,67 | 2 |
| 2016 | 71 | 1.623,36 | 22,86 | 2 |
| 2017 | 81 | 1.726,12 | 21,31 | 2 |
| 2018 | 79 | 2.084,72 | 26,39 | 2 |
| 2019 | 69 | 1.398,47 | 20,27 | 2 |
| 2020 | 70 | 1.631,09 | 23,30 | 2 |
| 2021 | 65 | 1.373,59 | 21,13 | 2 |
| 2022 | 52 | 1.201,23 | 23,10 | 2 |
| 2023 | 57 | 1.323,75 | 23,22 | 2 |
| 2024 | 59 | 1.569,60 | 26,60 | 4 |
| totale | 1.314 | 27.221,17 | 20,72 | 37 |