| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 610 | 13.348,21 | 21,88 | 2 |
| 2007 | 482 | 13.328,24 | 27,65 | 1 |
| 2008 | 519 | 14.137,71 | 27,24 | 1 |
| 2009 | 563 | 14.874,37 | 26,42 | 2 |
| 2010 | 532 | 12.436,95 | 23,38 | 4 |
| 2011 | 473 | 11.254,50 | 23,79 | 2 |
| 2012 | 615 | 14.900,17 | 24,23 | 3 |
| 2013 | 678 | 15.837,56 | 23,36 | 4 |
| 2014 | 703 | 20.677,39 | 29,41 | 4 |
| 2015 | 676 | 19.565,11 | 28,94 | 4 |
| 2016 | 1.247 | 34.050,45 | 27,31 | 4 |
| 2017 | 1.062 | 29.359,93 | 27,65 | 4 |
| 2018 | 961 | 25.262,77 | 26,29 | 4 |
| 2019 | 955 | 24.147,96 | 25,29 | 4 |
| 2020 | 889 | 24.724,99 | 27,81 | 4 |
| 2021 | 733 | 20.521,61 | 28,00 | 3 |
| 2022 | 662 | 18.924,71 | 28,59 | 3 |
| 2023 | 675 | 17.893,18 | 26,51 | 3 |
| 2024 | 590 | 16.049,86 | 27,20 | 3 |
| totale | 13.625 | 361.295,67 | 26,52 | 59 |