| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 34 | 457,90 | 13,47 | 1 |
| 2007 | 188 | 3.845,09 | 20,45 | 1 |
| 2008 | 206 | 4.549,38 | 22,08 | 1 |
| 2009 | 173 | 3.315,12 | 19,16 | 2 |
| 2010 | 179 | 2.796,43 | 15,62 | 2 |
| 2011 | 153 | 2.386,94 | 15,60 | 1 |
| 2012 | 163 | 2.368,32 | 14,53 | 3 |
| 2013 | 175 | 2.501,39 | 14,29 | 3 |
| 2014 | 176 | 3.017,34 | 17,14 | 3 |
| 2015 | 158 | 2.728,55 | 17,27 | 3 |
| 2016 | 8 | 118,17 | 14,77 | 1 |
| 2017 | 171 | 3.245,69 | 18,98 | 2 |
| 2018 | 168 | 3.288,28 | 19,57 | 2 |
| 2019 | 148 | 3.198,85 | 21,61 | 2 |
| 2020 | 107 | 2.374,93 | 22,20 | 2 |
| 2021 | 95 | 2.035,25 | 21,42 | 2 |
| 2022 | 91 | 2.163,73 | 23,78 | 2 |
| 2023 | 108 | 2.496,16 | 23,11 | 2 |
| 2024 | 91 | 1.983,67 | 21,80 | 2 |
| totale | 2.592 | 48.871,19 | 18,85 | 37 |