| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 671 | 14.526,00 | 21,65 | 4 |
| 2007 | 353 | 9.984,17 | 28,28 | 2 |
| 2008 | 301 | 8.612,24 | 28,61 | 2 |
| 2009 | 349 | 9.016,06 | 25,83 | 3 |
| 2010 | 392 | 8.745,50 | 22,31 | 4 |
| 2011 | 357 | 8.136,21 | 22,79 | 4 |
| 2012 | 383 | 8.533,84 | 22,28 | 4 |
| 2013 | 508 | 10.785,65 | 21,23 | 7 |
| 2014 | 396 | 9.901,17 | 25,00 | 4 |
| 2015 | 375 | 10.135,46 | 27,03 | 4 |
| 2016 | 813 | 23.766,37 | 29,23 | 7 |
| 2017 | 648 | 20.339,12 | 31,39 | 6 |
| 2018 | 650 | 21.329,38 | 32,81 | 6 |
| 2019 | 608 | 22.785,28 | 37,48 | 6 |
| 2020 | 565 | 21.458,93 | 37,98 | 6 |
| 2021 | 579 | 18.162,70 | 31,37 | 7 |
| 2022 | 463 | 18.293,02 | 39,51 | 6 |
| 2023 | 465 | 15.632,64 | 33,62 | 6 |
| 2024 | 389 | 13.205,27 | 33,95 | 7 |
| totale | 9.265 | 273.349,01 | 29,50 | 95 |