| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 839 | 21.867,38 | 26,06 | 10 |
| 2007 | 555 | 18.619,73 | 33,55 | 11 |
| 2008 | 693 | 25.498,87 | 36,79 | 12 |
| 2009 | 776 | 29.156,80 | 37,57 | 12 |
| 2010 | 825 | 25.195,68 | 30,54 | 14 |
| 2011 | 663 | 21.483,72 | 32,40 | 10 |
| 2012 | 795 | 24.156,50 | 30,39 | 15 |
| 2013 | 787 | 23.761,40 | 30,19 | 14 |
| 2014 | 799 | 29.794,68 | 37,29 | 15 |
| 2015 | 808 | 30.135,90 | 37,30 | 16 |
| 2016 | 592 | 23.989,19 | 40,52 | 14 |
| 2017 | 852 | 27.965,82 | 32,82 | 18 |
| 2018 | 798 | 23.831,53 | 29,86 | 17 |
| 2019 | 946 | 28.638,86 | 30,27 | 19 |
| 2020 | 928 | 29.695,13 | 32,00 | 21 |
| 2021 | 954 | 29.022,19 | 30,42 | 24 |
| 2022 | 943 | 30.540,35 | 32,39 | 23 |
| 2023 | 975 | 31.670,38 | 32,48 | 24 |
| 2024 | 1.062 | 31.503,97 | 29,66 | 25 |
| totale | 15.590 | 506.528,08 | 32,49 | 314 |