| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 442 | 9.845,05 | 22,27 | 2 |
| 2007 | 11 | 298,97 | 27,18 | 1 |
| 2008 | 9 | 219,48 | 24,39 | 1 |
| 2009 | 320 | 5.393,62 | 16,86 | 2 |
| 2010 | 390 | 6.801,36 | 17,44 | 2 |
| 2011 | 9 | 157,66 | 17,52 | 1 |
| 2012 | 472 | 8.843,74 | 18,74 | 2 |
| 2013 | 432 | 7.952,73 | 18,41 | 2 |
| 2014 | 452 | 11.139,48 | 24,64 | 5 |
| 2015 | 453 | 11.362,61 | 25,08 | 4 |
| 2016 | 429 | 10.813,56 | 25,21 | 3 |
| 2017 | 449 | 12.003,45 | 26,73 | 4 |
| 2018 | 456 | 12.416,29 | 27,23 | 4 |
| 2019 | 509 | 14.175,45 | 27,85 | 4 |
| 2020 | 447 | 12.198,78 | 27,29 | 4 |
| 2021 | 425 | 11.277,38 | 26,54 | 4 |
| 2022 | 419 | 11.415,11 | 27,24 | 3 |
| 2023 | 445 | 11.772,53 | 26,46 | 4 |
| 2024 | 460 | 12.491,85 | 27,16 | 4 |
| totale | 7.029 | 170.579,10 | 24,27 | 56 |