| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 126 | 2.574,53 | 20,43 | 2 |
| 2007 | 144 | 4.898,37 | 34,02 | 2 |
| 2008 | 151 | 5.311,87 | 35,18 | 2 |
| 2009 | 156 | 4.955,12 | 31,76 | 3 |
| 2010 | 161 | 3.913,15 | 24,31 | 3 |
| 2011 | 195 | 4.595,87 | 23,57 | 2 |
| 2012 | 186 | 4.011,22 | 21,57 | 4 |
| 2013 | 224 | 4.485,31 | 20,02 | 4 |
| 2014 | 117 | 2.314,91 | 19,79 | 2 |
| 2015 | 195 | 5.437,40 | 27,88 | 3 |
| 2016 | 98 | 1.926,03 | 19,65 | 2 |
| 2017 | 100 | 2.083,46 | 20,83 | 2 |
| 2018 | 104 | 2.267,06 | 21,80 | 2 |
| 2019 | 112 | 2.334,50 | 20,84 | 3 |
| 2020 | 101 | 2.297,34 | 22,75 | 3 |
| 2021 | 99 | 2.180,00 | 22,02 | 3 |
| 2022 | 95 | 1.956,64 | 20,60 | 2 |
| 2023 | 91 | 1.708,07 | 18,77 | 2 |
| 2024 | 74 | 1.425,01 | 19,26 | 2 |
| totale | 2.529 | 60.675,86 | 23,99 | 48 |