| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 147 | 2.992,86 | 20,36 | 2 |
| 2007 | 89 | 2.283,30 | 25,66 | 1 |
| 2008 | 90 | 2.216,91 | 24,63 | 1 |
| 2009 | 114 | 2.248,82 | 19,73 | 3 |
| 2010 | 130 | 2.112,04 | 16,25 | 3 |
| 2011 | 131 | 1.932,59 | 14,75 | 2 |
| 2012 | 140 | 2.324,82 | 16,61 | 3 |
| 2013 | 121 | 2.072,24 | 17,13 | 3 |
| 2014 | 114 | 2.547,51 | 22,35 | 3 |
| 2015 | 125 | 2.731,98 | 21,86 | 3 |
| 2016 | 127 | 3.050,76 | 24,02 | 3 |
| 2017 | 127 | 3.403,45 | 26,80 | 3 |
| 2018 | 144 | 3.728,26 | 25,89 | 3 |
| 2019 | 149 | 3.438,56 | 23,08 | 3 |
| 2020 | 154 | 3.895,82 | 25,30 | 3 |
| 2021 | 173 | 4.126,24 | 23,85 | 3 |
| 2022 | 56 | 1.190,08 | 21,25 | 2 |
| 2023 | 49 | 1.012,53 | 20,66 | 2 |
| 2024 | 53 | 1.299,10 | 24,51 | 2 |
| totale | 2.233 | 48.607,87 | 21,77 | 48 |