| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 366 | 4.834,06 | 13,21 | 3 |
| 2007 | 70 | 1.099,48 | 15,71 | 1 |
| 2008 | 168 | 3.160,46 | 18,81 | 2 |
| 2009 | 451 | 7.702,20 | 17,08 | 6 |
| 2010 | 336 | 5.898,98 | 17,56 | 7 |
| 2011 | 298 | 4.281,74 | 14,37 | 3 |
| 2012 | 384 | 6.391,44 | 16,64 | 6 |
| 2013 | 420 | 6.002,55 | 14,29 | 4 |
| 2014 | 339 | 5.728,01 | 16,90 | 4 |
| 2015 | 278 | 5.533,59 | 19,91 | 5 |
| 2016 | 314 | 6.116,72 | 19,48 | 5 |
| 2017 | 449 | 8.314,95 | 18,52 | 6 |
| 2018 | 446 | 7.881,15 | 17,67 | 6 |
| 2019 | 182 | 4.109,06 | 22,58 | 4 |
| 2020 | 232 | 5.394,56 | 23,25 | 4 |
| 2021 | 241 | 4.812,48 | 19,97 | 4 |
| 2022 | 233 | 4.961,02 | 21,29 | 4 |
| 2023 | 208 | 3.708,71 | 17,83 | 5 |
| 2024 | 292 | 5.923,64 | 20,29 | 7 |
| totale | 5.707 | 101.854,80 | 17,85 | 86 |