| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 59 | 1.051,25 | 17,82 | 1 |
| 2007 | 339 | 10.772,27 | 31,78 | 1 |
| 2008 | 428 | 13.896,32 | 32,47 | 1 |
| 2009 | 493 | 16.099,14 | 32,66 | 2 |
| 2010 | 612 | 15.828,29 | 25,86 | 2 |
| 2011 | 604 | 16.329,30 | 27,04 | 1 |
| 2012 | 615 | 17.147,09 | 27,88 | 2 |
| 2013 | 682 | 18.512,30 | 27,14 | 2 |
| 2014 | 615 | 22.098,01 | 35,93 | 2 |
| 2015 | 1.599 | 53.355,65 | 33,37 | 2 |
| 2016 | 1.122 | 37.353,04 | 33,29 | 2 |
| 2017 | 945 | 32.211,70 | 34,09 | 2 |
| 2018 | 855 | 28.339,64 | 33,15 | 2 |
| 2019 | 862 | 27.420,20 | 31,81 | 2 |
| 2020 | 771 | 26.408,66 | 34,25 | 3 |
| 2021 | 730 | 25.017,06 | 34,27 | 3 |
| 2022 | 624 | 22.503,12 | 36,06 | 3 |
| 2023 | 607 | 19.645,53 | 32,36 | 3 |
| 2024 | 548 | 18.202,46 | 33,22 | 3 |
| totale | 13.110 | 422.191,03 | 32,20 | 39 |