| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 100 | 1.469,62 | 14,70 | 1 |
| 2007 | 4 | 53,52 | 13,38 | 1 |
| 2008 | 220 | 4.565,56 | 20,75 | 3 |
| 2009 | 180 | 3.857,05 | 21,43 | 3 |
| 2010 | 263 | 4.928,11 | 18,74 | 4 |
| 2011 | 19 | 428,42 | 22,55 | 1 |
| 2012 | 220 | 4.605,84 | 20,94 | 4 |
| 2013 | 209 | 4.231,17 | 20,24 | 4 |
| 2014 | 220 | 5.458,60 | 24,81 | 4 |
| 2015 | 147 | 3.372,79 | 22,94 | 4 |
| 2016 | 49 | 981,94 | 20,04 | 2 |
| 2017 | 170 | 3.930,27 | 23,12 | 6 |
| 2018 | 142 | 3.202,29 | 22,55 | 6 |
| 2019 | 162 | 3.515,56 | 21,70 | 5 |
| 2020 | 158 | 3.805,34 | 24,08 | 5 |
| 2021 | 217 | 4.508,32 | 20,78 | 5 |
| 2022 | 91 | 2.304,31 | 25,32 | 5 |
| 2023 | 94 | 2.294,61 | 24,41 | 5 |
| 2024 | 101 | 2.068,49 | 20,48 | 5 |
| totale | 2.766 | 59.581,81 | 21,54 | 73 |