| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 231 | 3.829,94 | 16,58 | 2 |
| 2007 | 157 | 3.004,77 | 19,14 | 1 |
| 2008 | 171 | 3.038,94 | 17,77 | 1 |
| 2009 | 171 | 3.447,86 | 20,16 | 2 |
| 2010 | 162 | 2.861,75 | 17,67 | 3 |
| 2011 | 130 | 1.905,61 | 14,66 | 1 |
| 2012 | 137 | 2.638,45 | 19,26 | 2 |
| 2013 | 145 | 2.547,19 | 17,57 | 2 |
| 2014 | 142 | 3.606,78 | 25,40 | 2 |
| 2015 | 130 | 3.040,45 | 23,39 | 2 |
| 2016 | 122 | 2.866,00 | 23,49 | 2 |
| 2017 | 101 | 2.421,74 | 23,98 | 2 |
| 2018 | 94 | 2.158,56 | 22,96 | 2 |
| 2019 | 118 | 2.632,11 | 22,31 | 2 |
| 2020 | 114 | 2.876,10 | 25,23 | 2 |
| 2021 | 91 | 1.944,70 | 21,37 | 2 |
| 2022 | 102 | 2.302,62 | 22,57 | 2 |
| 2023 | 119 | 2.454,28 | 20,62 | 2 |
| 2024 | 118 | 2.370,39 | 20,09 | 2 |
| totale | 2.555 | 51.948,24 | 20,33 | 36 |