| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 6 | 43,45 | 7,24 | 1 |
| 2007 | 1 | 16,30 | 16,30 | 1 |
| 2008 | 1 | 38,25 | 38,25 | 1 |
| 2009 | 29 | 361,03 | 12,45 | 2 |
| 2010 | 84 | 912,07 | 10,86 | 3 |
| 2011 | 59 | 652,31 | 11,06 | 1 |
| 2012 | 107 | 2.071,45 | 19,36 | 3 |
| 2013 | 73 | 1.275,85 | 17,48 | 2 |
| 2014 | 87 | 1.347,56 | 15,49 | 3 |
| 2015 | 66 | 1.068,79 | 16,19 | 2 |
| 2016 | 29 | 439,45 | 15,15 | 1 |
| 2017 | 7 | 138,43 | 19,78 | 1 |
| 2018 | 3 | 79,84 | 26,61 | 1 |
| 2019 | 1 | 5,02 | 5,02 | 1 |
| 2020 | 31 | 955,70 | 30,83 | 3 |
| 2021 | 100 | 1.675,40 | 16,75 | 3 |
| 2022 | 92 | 1.629,96 | 17,72 | 5 |
| 2023 | 148 | 2.167,86 | 14,65 | 6 |
| 2024 | 130 | 1.989,16 | 15,30 | 5 |
| totale | 1.054 | 16.867,88 | 16,00 | 45 |