| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 239 | 4.971,15 | 20,80 | 3 |
| 2007 | 154 | 3.831,97 | 24,88 | 1 |
| 2008 | 259 | 6.861,78 | 26,49 | 3 |
| 2009 | 229 | 5.285,28 | 23,08 | 4 |
| 2010 | 302 | 7.076,20 | 23,43 | 6 |
| 2011 | 269 | 5.847,24 | 21,74 | 3 |
| 2012 | 158 | 3.458,78 | 21,89 | 3 |
| 2013 | 332 | 7.931,66 | 23,89 | 6 |
| 2014 | 333 | 9.344,43 | 28,06 | 6 |
| 2015 | 276 | 7.002,88 | 25,37 | 3 |
| 2016 | 314 | 9.171,89 | 29,21 | 5 |
| 2017 | 309 | 8.550,22 | 27,67 | 4 |
| 2018 | 265 | 7.280,54 | 27,47 | 5 |
| 2019 | 252 | 6.617,97 | 26,26 | 5 |
| 2020 | 233 | 6.147,22 | 26,38 | 5 |
| 2021 | 253 | 6.476,91 | 25,60 | 5 |
| 2022 | 224 | 5.469,96 | 24,42 | 4 |
| 2023 | 225 | 5.133,05 | 22,81 | 5 |
| 2024 | 234 | 5.009,66 | 21,41 | 6 |
| totale | 4.860 | 121.468,79 | 24,99 | 82 |