| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 92 | 1.728,29 | 18,79 | 2 |
| 2007 | 17 | 1.258,37 | 74,02 | 1 |
| 2008 | 16 | 336,24 | 21,02 | 1 |
| 2009 | 35 | 815,95 | 23,31 | 2 |
| 2010 | 40 | 812,51 | 20,31 | 2 |
| 2011 | 20 | 420,31 | 21,02 | 1 |
| 2012 | 46 | 1.055,81 | 22,95 | 2 |
| 2013 | 45 | 985,68 | 21,90 | 2 |
| 2014 | 39 | 1.029,90 | 26,41 | 2 |
| 2015 | 43 | 1.065,84 | 24,79 | 2 |
| 2016 | 45 | 1.287,11 | 28,60 | 2 |
| 2017 | 48 | 1.157,71 | 24,12 | 2 |
| 2018 | 37 | 973,07 | 26,30 | 2 |
| 2019 | 37 | 1.421,98 | 38,43 | 2 |
| 2020 | 43 | 1.348,90 | 31,37 | 3 |
| 2021 | 56 | 2.006,25 | 35,83 | 3 |
| 2022 | 74 | 2.793,36 | 37,75 | 3 |
| 2023 | 137 | 4.259,15 | 31,09 | 4 |
| 2024 | 100 | 3.069,98 | 30,70 | 3 |
| totale | 970 | 27.826,41 | 28,69 | 41 |