| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 635 | 13.239,95 | 20,85 | 5 |
| 2007 | 623 | 14.961,11 | 24,01 | 4 |
| 2008 | 582 | 13.985,51 | 24,03 | 4 |
| 2009 | 662 | 14.428,61 | 21,80 | 5 |
| 2010 | 537 | 9.845,49 | 18,33 | 4 |
| 2011 | 522 | 9.068,84 | 17,37 | 5 |
| 2012 | 275 | 4.264,73 | 15,51 | 5 |
| 2013 | 706 | 12.108,20 | 17,15 | 6 |
| 2014 | 613 | 13.847,49 | 22,59 | 8 |
| 2015 | 569 | 13.176,38 | 23,16 | 7 |
| 2016 | 596 | 13.507,18 | 22,66 | 7 |
| 2017 | 608 | 14.136,10 | 23,25 | 7 |
| 2018 | 590 | 13.896,52 | 23,55 | 7 |
| 2019 | 576 | 13.141,69 | 22,82 | 6 |
| 2020 | 590 | 14.166,93 | 24,01 | 6 |
| 2021 | 578 | 14.193,14 | 24,56 | 7 |
| 2022 | 540 | 13.751,07 | 25,46 | 6 |
| 2023 | 567 | 13.321,51 | 23,49 | 8 |
| 2024 | 596 | 14.402,95 | 24,17 | 8 |
| totale | 10.965 | 243.443,40 | 22,20 | 115 |