| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 258 | 5.577,55 | 21,62 | 4 |
| 2007 | 91 | 2.892,15 | 31,78 | 2 |
| 2008 | 158 | 4.055,75 | 25,67 | 2 |
| 2009 | 365 | 7.848,49 | 21,50 | 3 |
| 2010 | 44 | 1.040,31 | 23,64 | 3 |
| 2011 | 0 | 0,00 | 0,00 | 1 |
| 2012 | 80 | 1.312,33 | 16,40 | 2 |
| 2013 | 42 | 840,12 | 20,00 | 2 |
| 2014 | 38 | 728,66 | 19,18 | 2 |
| 2015 | 107 | 3.532,43 | 33,01 | 3 |
| 2016 | 141 | 4.605,92 | 32,67 | 5 |
| 2017 | 145 | 4.291,27 | 29,59 | 5 |
| 2018 | 158 | 4.815,33 | 30,48 | 5 |
| 2019 | 139 | 4.516,17 | 32,49 | 5 |
| 2020 | 129 | 4.367,31 | 33,86 | 5 |
| 2021 | 122 | 4.081,23 | 33,45 | 5 |
| 2022 | 128 | 3.837,04 | 29,98 | 4 |
| 2023 | 145 | 4.544,88 | 31,34 | 4 |
| 2024 | 149 | 4.078,40 | 27,37 | 5 |
| totale | 2.439 | 66.965,34 | 27,46 | 67 |