| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 161 | 3.906,57 | 24,26 | 2 |
| 2007 | 83 | 2.152,02 | 25,93 | 1 |
| 2008 | 95 | 2.276,06 | 23,96 | 1 |
| 2009 | 145 | 3.584,02 | 24,72 | 2 |
| 2010 | 168 | 3.654,06 | 21,75 | 2 |
| 2011 | 139 | 2.455,35 | 17,66 | 1 |
| 2012 | 151 | 3.209,04 | 21,25 | 2 |
| 2013 | 149 | 3.332,41 | 22,37 | 2 |
| 2014 | 148 | 3.922,48 | 26,50 | 2 |
| 2015 | 122 | 3.065,40 | 25,13 | 2 |
| 2016 | 121 | 2.608,62 | 21,56 | 2 |
| 2017 | 123 | 2.884,03 | 23,45 | 2 |
| 2018 | 115 | 2.455,30 | 21,35 | 2 |
| 2019 | 116 | 2.466,35 | 21,26 | 2 |
| 2020 | 102 | 2.564,03 | 25,14 | 2 |
| 2021 | 101 | 2.304,85 | 22,82 | 2 |
| 2022 | 99 | 2.189,58 | 22,12 | 2 |
| 2023 | 109 | 2.279,00 | 20,91 | 2 |
| 2024 | 120 | 2.762,23 | 23,02 | 2 |
| totale | 2.367 | 54.071,40 | 22,84 | 35 |