| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 450 | 6.979,18 | 15,51 | 3 |
| 2007 | 204 | 4.114,51 | 20,17 | 3 |
| 2008 | 324 | 6.448,82 | 19,90 | 3 |
| 2009 | 278 | 5.237,16 | 18,84 | 5 |
| 2010 | 263 | 4.313,17 | 16,40 | 5 |
| 2011 | 315 | 4.776,79 | 15,16 | 3 |
| 2012 | 338 | 6.874,88 | 20,34 | 5 |
| 2013 | 321 | 5.189,61 | 16,17 | 5 |
| 2014 | 384 | 7.523,60 | 19,59 | 4 |
| 2015 | 364 | 7.278,75 | 20,00 | 4 |
| 2016 | 355 | 7.715,34 | 21,73 | 5 |
| 2017 | 336 | 6.952,44 | 20,69 | 5 |
| 2018 | 358 | 8.297,82 | 23,18 | 5 |
| 2019 | 365 | 7.645,11 | 20,95 | 4 |
| 2020 | 352 | 7.812,32 | 22,19 | 5 |
| 2021 | 342 | 7.533,60 | 22,03 | 6 |
| 2022 | 330 | 6.989,83 | 21,18 | 6 |
| 2023 | 343 | 7.802,44 | 22,75 | 7 |
| 2024 | 332 | 5.796,66 | 17,46 | 7 |
| totale | 6.354 | 125.282,03 | 19,72 | 90 |