| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 179 | 2.770,70 | 15,48 | 1 |
| 2009 | 18 | 298,42 | 16,58 | 1 |
| 2010 | 101 | 2.402,16 | 23,78 | 2 |
| 2011 | 75 | 1.775,42 | 23,67 | 3 |
| 2012 | 96 | 1.749,36 | 18,22 | 4 |
| 2013 | 118 | 2.426,13 | 20,56 | 5 |
| 2014 | 118 | 2.681,85 | 22,73 | 5 |
| 2015 | 97 | 2.043,36 | 21,07 | 4 |
| 2016 | 81 | 1.619,75 | 20,00 | 5 |
| 2017 | 99 | 2.260,05 | 22,83 | 5 |
| 2018 | 103 | 2.186,10 | 21,22 | 5 |
| 2019 | 91 | 1.870,48 | 20,55 | 5 |
| 2020 | 100 | 2.467,72 | 24,68 | 4 |
| 2021 | 120 | 2.723,09 | 22,69 | 5 |
| totale | 1.396 | 29.274,59 | 20,97 | 54 |