| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 859 | 19.887,60 | 23,15 | 4 |
| 2007 | 746 | 18.499,33 | 24,80 | 4 |
| 2008 | 581 | 15.653,17 | 26,94 | 3 |
| 2009 | 578 | 15.221,60 | 26,33 | 4 |
| 2010 | 433 | 10.124,35 | 23,38 | 5 |
| 2011 | 510 | 11.200,81 | 21,96 | 4 |
| 2012 | 512 | 12.356,49 | 24,13 | 5 |
| 2013 | 701 | 19.808,44 | 28,26 | 6 |
| 2014 | 800 | 27.507,88 | 34,38 | 7 |
| 2015 | 810 | 30.021,48 | 37,06 | 8 |
| 2016 | 875 | 35.960,29 | 41,10 | 7 |
| 2017 | 909 | 32.414,56 | 35,66 | 7 |
| 2018 | 905 | 34.365,64 | 37,97 | 7 |
| 2019 | 891 | 34.370,12 | 38,57 | 7 |
| 2020 | 895 | 33.562,98 | 37,50 | 7 |
| 2021 | 874 | 29.962,59 | 34,28 | 7 |
| 2022 | 664 | 23.296,42 | 35,08 | 7 |
| 2023 | 679 | 23.673,31 | 34,86 | 9 |
| 2024 | 664 | 21.678,84 | 32,65 | 9 |
| totale | 13.886 | 449.565,90 | 32,38 | 117 |