| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 895 | 24.573,28 | 27,46 | 5 |
| 2007 | 446 | 13.066,56 | 29,30 | 3 |
| 2008 | 351 | 10.113,25 | 28,81 | 2 |
| 2009 | 480 | 11.616,88 | 24,20 | 6 |
| 2010 | 476 | 9.665,66 | 20,31 | 6 |
| 2011 | 447 | 9.921,92 | 22,20 | 4 |
| 2012 | 486 | 10.395,96 | 21,39 | 4 |
| 2013 | 371 | 8.008,83 | 21,59 | 5 |
| 2014 | 418 | 10.911,34 | 26,10 | 5 |
| 2015 | 424 | 11.813,05 | 27,86 | 6 |
| 2016 | 408 | 11.029,21 | 27,03 | 7 |
| 2017 | 401 | 10.592,79 | 26,42 | 8 |
| 2018 | 337 | 8.879,56 | 26,35 | 9 |
| 2019 | 385 | 10.553,63 | 27,41 | 9 |
| 2020 | 379 | 10.881,61 | 28,71 | 10 |
| 2021 | 395 | 11.324,18 | 28,67 | 13 |
| 2022 | 405 | 13.726,80 | 33,89 | 13 |
| 2023 | 422 | 12.486,70 | 29,59 | 12 |
| 2024 | 495 | 14.737,33 | 29,77 | 12 |
| totale | 8.421 | 224.298,54 | 26,64 | 139 |