| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 187 | 5.691,95 | 30,44 | 2 |
| 2007 | 45 | 1.863,46 | 41,41 | 1 |
| 2008 | 15 | 571,98 | 38,13 | 1 |
| 2009 | 54 | 1.844,56 | 34,16 | 3 |
| 2010 | 56 | 1.876,90 | 33,52 | 3 |
| 2011 | 0 | 0,00 | 0,00 | 2 |
| 2012 | 100 | 3.599,14 | 35,99 | 3 |
| 2013 | 92 | 3.022,77 | 32,86 | 3 |
| 2014 | 104 | 3.956,77 | 38,05 | 4 |
| 2015 | 117 | 4.955,51 | 42,35 | 4 |
| 2016 | 65 | 2.766,42 | 42,56 | 4 |
| 2017 | 123 | 6.586,22 | 53,55 | 4 |
| 2018 | 138 | 5.989,27 | 43,40 | 4 |
| 2019 | 133 | 4.121,38 | 30,99 | 4 |
| 2020 | 115 | 3.756,13 | 32,66 | 4 |
| 2021 | 149 | 5.097,80 | 34,21 | 5 |
| 2022 | 158 | 5.398,34 | 34,17 | 5 |
| 2023 | 163 | 5.806,46 | 35,62 | 6 |
| 2024 | 143 | 5.097,09 | 35,64 | 4 |
| totale | 1.957 | 72.002,15 | 36,79 | 66 |