| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 18 | 341,60 | 18,98 | 1 |
| 2009 | 166 | 2.976,94 | 17,93 | 2 |
| 2010 | 285 | 5.763,01 | 20,22 | 3 |
| 2011 | 308 | 5.624,09 | 18,26 | 3 |
| 2012 | 403 | 8.668,99 | 21,51 | 5 |
| 2013 | 351 | 6.651,03 | 18,95 | 4 |
| 2014 | 321 | 7.942,62 | 24,74 | 4 |
| 2015 | 268 | 6.926,52 | 25,85 | 4 |
| 2016 | 236 | 6.568,63 | 27,83 | 3 |
| 2017 | 256 | 6.550,72 | 25,59 | 3 |
| 2018 | 255 | 6.192,79 | 24,29 | 3 |
| 2019 | 243 | 5.691,92 | 23,42 | 3 |
| 2020 | 277 | 7.513,96 | 27,13 | 4 |
| 2021 | 264 | 7.355,00 | 27,86 | 3 |
| 2022 | 51 | 1.741,47 | 34,15 | 2 |
| 2023 | 47 | 1.457,80 | 31,02 | 3 |
| 2024 | 57 | 1.728,60 | 30,33 | 3 |
| totale | 3.806 | 89.695,69 | 23,57 | 53 |