| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 865 | 13.192,66 | 15,25 | 2 |
| 2007 | 637 | 10.345,32 | 16,24 | 1 |
| 2008 | 638 | 10.158,63 | 15,92 | 1 |
| 2009 | 590 | 9.229,71 | 15,64 | 2 |
| 2010 | 685 | 8.754,57 | 12,78 | 3 |
| 2011 | 443 | 5.803,87 | 13,10 | 1 |
| 2012 | 741 | 10.551,11 | 14,24 | 2 |
| 2013 | 599 | 7.993,18 | 13,34 | 2 |
| 2014 | 625 | 10.853,05 | 17,36 | 2 |
| 2015 | 487 | 9.461,82 | 19,43 | 2 |
| 2016 | 721 | 13.066,55 | 18,12 | 2 |
| 2017 | 1.078 | 20.369,29 | 18,90 | 4 |
| 2018 | 1.046 | 20.371,09 | 19,48 | 5 |
| 2019 | 1.100 | 22.076,09 | 20,07 | 6 |
| 2020 | 558 | 11.151,77 | 19,99 | 5 |
| 2021 | 496 | 10.484,66 | 21,14 | 5 |
| 2022 | 472 | 9.994,84 | 21,18 | 5 |
| 2023 | 487 | 9.234,58 | 18,96 | 8 |
| 2024 | 471 | 8.687,82 | 18,45 | 8 |
| totale | 12.739 | 221.780,61 | 17,41 | 66 |