| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 146 | 3.008,90 | 20,61 | 1 |
| 2009 | 76 | 1.739,65 | 22,89 | 2 |
| 2010 | 219 | 5.265,29 | 24,04 | 2 |
| 2011 | 187 | 5.049,76 | 27,00 | 1 |
| 2012 | 199 | 4.913,09 | 24,69 | 2 |
| 2013 | 203 | 4.425,39 | 21,80 | 2 |
| 2014 | 193 | 5.670,09 | 29,38 | 2 |
| 2015 | 174 | 5.222,04 | 30,01 | 2 |
| 2016 | 166 | 4.763,38 | 28,70 | 2 |
| 2017 | 168 | 5.688,88 | 33,86 | 2 |
| 2018 | 147 | 4.591,14 | 31,23 | 2 |
| 2019 | 152 | 6.172,25 | 40,61 | 2 |
| 2020 | 144 | 5.470,10 | 37,99 | 2 |
| 2021 | 133 | 3.904,73 | 29,36 | 2 |
| 2022 | 136 | 4.298,27 | 31,60 | 2 |
| 2023 | 150 | 4.522,36 | 30,15 | 2 |
| 2024 | 156 | 4.359,06 | 27,94 | 2 |
| totale | 2.749 | 79.064,38 | 28,76 | 32 |