| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 238 | 8.029,75 | 33,74 | 2 |
| 2007 | 233 | 6.880,57 | 29,53 | 1 |
| 2008 | 256 | 7.160,89 | 27,97 | 2 |
| 2009 | 248 | 6.929,99 | 27,94 | 4 |
| 2010 | 236 | 5.327,21 | 22,57 | 3 |
| 2011 | 19 | 356,47 | 18,76 | 2 |
| 2012 | 9 | 114,83 | 12,76 | 1 |
| 2013 | 11 | 150,48 | 13,68 | 2 |
| 2014 | 13 | 143,78 | 11,06 | 3 |
| 2015 | 6 | 37,80 | 6,30 | 1 |
| 2016 | 12 | 98,46 | 8,21 | 2 |
| 2017 | 12 | 145,02 | 12,09 | 2 |
| 2018 | 9 | 106,48 | 11,83 | 2 |
| 2019 | 78 | 943,95 | 12,10 | 3 |
| 2020 | 21 | 311,18 | 14,82 | 3 |
| 2021 | 73 | 1.158,82 | 15,87 | 3 |
| 2022 | 206 | 2.970,93 | 14,42 | 3 |
| 2023 | 125 | 1.708,23 | 13,67 | 3 |
| 2024 | 61 | 1.450,09 | 23,77 | 3 |
| totale | 1.866 | 44.024,93 | 23,59 | 45 |