| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 823 | 17.748,49 | 21,57 | 3 |
| 2007 | 304 | 7.108,64 | 23,38 | 2 |
| 2008 | 395 | 9.470,73 | 23,98 | 2 |
| 2009 | 511 | 12.376,72 | 24,22 | 4 |
| 2010 | 587 | 12.320,61 | 20,99 | 4 |
| 2011 | 484 | 10.538,35 | 21,77 | 3 |
| 2012 | 619 | 13.995,36 | 22,61 | 5 |
| 2013 | 613 | 12.916,06 | 21,07 | 5 |
| 2014 | 638 | 17.171,87 | 26,92 | 6 |
| 2015 | 608 | 16.643,82 | 27,37 | 7 |
| 2016 | 646 | 17.438,32 | 26,99 | 7 |
| 2017 | 677 | 16.315,22 | 24,10 | 7 |
| 2018 | 612 | 15.307,13 | 25,01 | 7 |
| 2019 | 680 | 17.961,93 | 26,41 | 8 |
| 2020 | 649 | 20.334,17 | 31,33 | 8 |
| 2021 | 657 | 19.949,30 | 30,36 | 8 |
| 2022 | 177 | 6.668,58 | 37,68 | 4 |
| 2023 | 180 | 6.119,53 | 34,00 | 5 |
| 2024 | 190 | 5.673,52 | 29,86 | 6 |
| totale | 10.050 | 256.058,35 | 25,48 | 101 |