| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 63 | 843,70 | 13,39 | 1 |
| 2007 | 62 | 2.555,31 | 41,21 | 1 |
| 2008 | 94 | 3.893,38 | 41,42 | 1 |
| 2009 | 132 | 4.565,18 | 34,58 | 2 |
| 2010 | 154 | 4.051,02 | 26,31 | 2 |
| 2011 | 104 | 3.629,16 | 34,90 | 1 |
| 2012 | 173 | 4.397,79 | 25,42 | 2 |
| 2013 | 270 | 7.190,18 | 26,63 | 3 |
| 2014 | 289 | 9.184,10 | 31,78 | 3 |
| 2015 | 266 | 8.012,19 | 30,12 | 3 |
| 2016 | 275 | 7.980,11 | 29,02 | 3 |
| 2017 | 289 | 8.380,85 | 29,00 | 3 |
| 2018 | 376 | 9.382,22 | 24,95 | 3 |
| 2019 | 312 | 10.502,66 | 33,66 | 3 |
| 2020 | 329 | 10.774,06 | 32,75 | 3 |
| 2021 | 328 | 10.072,79 | 30,71 | 3 |
| 2022 | 150 | 5.779,10 | 38,53 | 2 |
| 2023 | 147 | 5.466,16 | 37,18 | 2 |
| 2024 | 242 | 7.882,46 | 32,57 | 3 |
| totale | 4.055 | 124.542,42 | 30,71 | 44 |