| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 145 | 2.954,21 | 20,37 | 1 |
| 2007 | 72 | 2.303,21 | 31,99 | 2 |
| 2008 | 81 | 2.495,19 | 30,80 | 2 |
| 2009 | 33 | 715,95 | 21,70 | 1 |
| 2010 | 91 | 1.943,10 | 21,35 | 2 |
| 2011 | 33 | 776,72 | 23,54 | 1 |
| 2012 | 170 | 4.291,61 | 25,24 | 3 |
| 2013 | 207 | 4.811,48 | 23,24 | 3 |
| 2014 | 193 | 5.993,41 | 31,05 | 3 |
| 2015 | 165 | 5.228,32 | 31,69 | 4 |
| 2016 | 185 | 5.616,68 | 30,36 | 4 |
| 2017 | 187 | 5.469,98 | 29,25 | 3 |
| 2018 | 189 | 5.919,89 | 31,32 | 3 |
| 2019 | 194 | 6.005,00 | 30,95 | 3 |
| 2020 | 169 | 5.796,13 | 34,30 | 4 |
| 2021 | 183 | 5.700,46 | 31,15 | 5 |
| 2022 | 174 | 5.895,27 | 33,88 | 6 |
| 2023 | 162 | 5.627,48 | 34,74 | 4 |
| 2024 | 140 | 4.288,45 | 30,63 | 4 |
| totale | 2.773 | 81.832,54 | 29,51 | 58 |