| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 18 | 1.392,05 | 77,34 | 2 |
| 2007 | 18 | 1.614,61 | 89,70 | 1 |
| 2008 | 20 | 1.569,33 | 78,47 | 1 |
| 2009 | 31 | 3.054,14 | 98,52 | 2 |
| 2010 | 31 | 2.752,11 | 88,78 | 2 |
| 2011 | 36 | 2.627,33 | 72,98 | 1 |
| 2012 | 33 | 2.281,00 | 69,12 | 2 |
| 2013 | 37 | 2.312,63 | 62,50 | 2 |
| 2014 | 26 | 1.986,75 | 76,41 | 2 |
| 2015 | 27 | 2.517,07 | 93,22 | 2 |
| 2016 | 24 | 2.266,24 | 94,43 | 3 |
| 2017 | 74 | 4.655,53 | 62,91 | 3 |
| 2018 | 75 | 3.026,31 | 40,35 | 4 |
| 2019 | 87 | 3.696,62 | 42,49 | 4 |
| 2020 | 92 | 4.826,55 | 52,46 | 4 |
| 2021 | 90 | 5.389,85 | 59,89 | 4 |
| 2022 | 95 | 6.051,03 | 63,70 | 3 |
| 2023 | 95 | 5.941,85 | 62,55 | 4 |
| 2024 | 56 | 2.092,00 | 37,36 | 4 |
| totale | 965 | 60.053,00 | 62,23 | 50 |