| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.375 | 20.151,19 | 14,66 | 7 |
| 2007 | 925 | 14.674,35 | 15,86 | 6 |
| 2008 | 1.061 | 17.474,63 | 16,47 | 6 |
| 2009 | 1.414 | 26.118,78 | 18,47 | 9 |
| 2010 | 1.384 | 19.052,18 | 13,77 | 8 |
| 2011 | 1.029 | 13.603,18 | 13,22 | 5 |
| 2012 | 3.427 | 49.201,69 | 14,36 | 8 |
| 2013 | 3.160 | 43.599,88 | 13,80 | 10 |
| 2014 | 2.867 | 49.572,55 | 17,29 | 11 |
| 2015 | 2.742 | 46.991,26 | 17,14 | 13 |
| 2016 | 2.359 | 41.207,06 | 17,47 | 14 |
| 2017 | 2.551 | 44.517,52 | 17,45 | 15 |
| 2018 | 2.604 | 46.949,08 | 18,03 | 17 |
| 2019 | 1.947 | 35.851,00 | 18,41 | 18 |
| 2020 | 1.848 | 35.494,09 | 19,21 | 20 |
| 2021 | 1.225 | 22.942,71 | 18,73 | 21 |
| 2022 | 817 | 16.107,72 | 19,72 | 21 |
| 2023 | 738 | 14.542,75 | 19,71 | 22 |
| 2024 | 880 | 17.371,59 | 19,74 | 24 |
| totale | 34.353 | 575.423,21 | 16,75 | 255 |