| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 327 | 5.559,48 | 17,00 | 1 |
| 2008 | 10 | 264,66 | 26,47 | 1 |
| 2009 | 68 | 1.687,37 | 24,81 | 1 |
| 2010 | 80 | 1.395,06 | 17,44 | 1 |
| 2012 | 205 | 3.698,14 | 18,04 | 3 |
| 2013 | 223 | 4.308,59 | 19,32 | 3 |
| 2014 | 206 | 4.905,15 | 23,81 | 2 |
| 2015 | 190 | 4.363,29 | 22,96 | 2 |
| 2016 | 178 | 3.910,00 | 21,97 | 2 |
| 2017 | 185 | 3.794,58 | 20,51 | 2 |
| 2018 | 170 | 3.800,87 | 22,36 | 3 |
| 2019 | 155 | 3.065,04 | 19,77 | 3 |
| 2020 | 165 | 3.892,49 | 23,59 | 4 |
| 2021 | 165 | 3.564,21 | 21,60 | 4 |
| 2022 | 154 | 3.687,46 | 23,94 | 4 |
| 2023 | 148 | 3.283,15 | 22,18 | 4 |
| 2024 | 148 | 3.039,37 | 20,54 | 5 |
| totale | 2.777 | 58.218,91 | 20,96 | 45 |