| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 543 | 11.931,82 | 21,97 | 3 |
| 2007 | 269 | 7.779,44 | 28,92 | 2 |
| 2008 | 147 | 3.770,39 | 25,65 | 2 |
| 2009 | 534 | 13.309,68 | 24,92 | 6 |
| 2010 | 322 | 7.186,29 | 22,32 | 4 |
| 2011 | 178 | 4.714,34 | 26,49 | 3 |
| 2012 | 289 | 7.484,79 | 25,90 | 6 |
| 2013 | 279 | 6.188,55 | 22,18 | 4 |
| 2014 | 698 | 17.093,50 | 24,49 | 5 |
| 2015 | 468 | 11.670,31 | 24,94 | 6 |
| 2016 | 451 | 11.668,71 | 25,87 | 6 |
| 2017 | 464 | 11.033,51 | 23,78 | 7 |
| 2018 | 196 | 5.589,08 | 28,52 | 7 |
| 2019 | 305 | 7.132,32 | 23,38 | 8 |
| 2020 | 317 | 8.005,45 | 25,25 | 8 |
| 2021 | 286 | 7.086,66 | 24,78 | 8 |
| 2022 | 208 | 4.728,29 | 22,73 | 6 |
| 2023 | 306 | 6.892,03 | 22,52 | 10 |
| 2024 | 82 | 2.182,75 | 26,62 | 10 |
| totale | 6.342 | 155.447,91 | 24,51 | 111 |