| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 370 | 7.839,13 | 21,19 | 2 |
| 2007 | 159 | 4.826,80 | 30,36 | 1 |
| 2008 | 140 | 3.972,25 | 28,37 | 1 |
| 2009 | 208 | 5.724,35 | 27,52 | 2 |
| 2010 | 256 | 6.391,22 | 24,97 | 2 |
| 2011 | 174 | 4.520,41 | 25,98 | 1 |
| 2012 | 193 | 5.146,30 | 26,66 | 2 |
| 2013 | 216 | 5.325,38 | 24,65 | 2 |
| 2014 | 315 | 9.394,53 | 29,82 | 3 |
| 2015 | 337 | 9.053,63 | 26,87 | 3 |
| 2016 | 397 | 9.191,91 | 23,15 | 4 |
| 2017 | 389 | 9.122,85 | 23,45 | 3 |
| 2018 | 389 | 8.437,91 | 21,69 | 3 |
| 2019 | 292 | 5.180,47 | 17,74 | 3 |
| 2020 | 288 | 5.518,07 | 19,16 | 3 |
| 2021 | 266 | 4.701,04 | 17,67 | 3 |
| 2022 | 265 | 4.690,25 | 17,70 | 3 |
| 2023 | 292 | 4.525,99 | 15,50 | 4 |
| 2024 | 281 | 4.381,69 | 15,59 | 4 |
| totale | 5.227 | 117.944,18 | 22,56 | 49 |