| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 869 | 22.765,22 | 26,20 | 2 |
| 2007 | 223 | 8.677,69 | 38,91 | 1 |
| 2008 | 202 | 9.082,22 | 44,96 | 2 |
| 2009 | 248 | 8.429,34 | 33,99 | 3 |
| 2010 | 541 | 18.479,26 | 34,16 | 5 |
| 2011 | 304 | 13.119,15 | 43,16 | 4 |
| 2012 | 931 | 28.421,21 | 30,53 | 7 |
| 2013 | 812 | 22.883,35 | 28,18 | 5 |
| 2014 | 486 | 17.786,67 | 36,60 | 4 |
| 2015 | 446 | 16.581,14 | 37,18 | 4 |
| 2016 | 496 | 20.255,66 | 40,84 | 6 |
| 2017 | 539 | 20.778,04 | 38,55 | 7 |
| 2018 | 541 | 18.665,85 | 34,50 | 8 |
| 2019 | 514 | 17.332,12 | 33,72 | 7 |
| 2020 | 468 | 17.002,57 | 36,33 | 8 |
| 2021 | 449 | 15.365,59 | 34,22 | 8 |
| 2022 | 403 | 16.101,23 | 39,95 | 7 |
| 2023 | 442 | 15.910,74 | 36,00 | 7 |
| 2024 | 445 | 14.272,23 | 32,07 | 11 |
| totale | 9.359 | 321.909,28 | 34,40 | 106 |