| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 297 | 6.993,97 | 23,55 | 2 |
| 2009 | 195 | 6.319,26 | 32,41 | 3 |
| 2010 | 209 | 5.942,87 | 28,43 | 3 |
| 2011 | 114 | 2.571,86 | 22,56 | 1 |
| 2012 | 168 | 4.599,15 | 27,38 | 3 |
| 2013 | 165 | 3.536,28 | 21,43 | 3 |
| 2014 | 181 | 5.057,04 | 27,94 | 3 |
| 2015 | 188 | 5.637,10 | 29,98 | 3 |
| 2016 | 208 | 6.763,77 | 32,52 | 4 |
| 2017 | 256 | 8.377,96 | 32,73 | 4 |
| 2018 | 226 | 7.739,61 | 34,25 | 4 |
| 2019 | 237 | 8.628,61 | 36,41 | 4 |
| 2020 | 241 | 8.840,15 | 36,68 | 4 |
| 2021 | 214 | 8.091,96 | 37,81 | 4 |
| 2022 | 146 | 6.329,34 | 43,35 | 3 |
| 2023 | 130 | 7.945,92 | 61,12 | 3 |
| 2024 | 145 | 5.018,60 | 34,61 | 3 |
| totale | 3.320 | 108.393,45 | 32,65 | 54 |