| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 105 | 1.626,48 | 15,49 | 2 |
| 2007 | 82 | 1.543,42 | 18,82 | 1 |
| 2008 | 50 | 866,17 | 17,32 | 1 |
| 2009 | 127 | 2.353,85 | 18,53 | 2 |
| 2010 | 175 | 2.709,22 | 15,48 | 2 |
| 2011 | 176 | 2.857,66 | 16,24 | 1 |
| 2012 | 153 | 2.499,07 | 16,33 | 2 |
| 2013 | 171 | 2.871,66 | 16,79 | 2 |
| 2014 | 179 | 4.258,53 | 23,79 | 2 |
| 2015 | 187 | 3.964,73 | 21,20 | 3 |
| 2016 | 149 | 3.182,79 | 21,36 | 2 |
| 2017 | 137 | 2.975,78 | 21,72 | 2 |
| 2018 | 135 | 2.841,36 | 21,05 | 2 |
| 2019 | 140 | 3.143,89 | 22,46 | 2 |
| 2020 | 127 | 3.179,25 | 25,03 | 2 |
| 2021 | 124 | 3.200,64 | 25,81 | 2 |
| 2022 | 156 | 3.587,92 | 23,00 | 2 |
| 2023 | 148 | 3.458,51 | 23,37 | 2 |
| 2024 | 166 | 3.606,46 | 21,73 | 2 |
| totale | 2.687 | 54.727,39 | 20,37 | 36 |