| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 451 | 7.626,67 | 16,91 | 2 |
| 2007 | 25 | 497,18 | 19,89 | 1 |
| 2008 | 23 | 580,82 | 25,25 | 1 |
| 2009 | 128 | 2.320,78 | 18,13 | 2 |
| 2010 | 120 | 2.050,38 | 17,09 | 2 |
| 2011 | 25 | 409,62 | 16,38 | 1 |
| 2012 | 169 | 3.153,22 | 18,66 | 2 |
| 2013 | 141 | 2.317,62 | 16,44 | 3 |
| 2014 | 144 | 2.702,67 | 18,77 | 2 |
| 2015 | 167 | 3.477,95 | 20,83 | 2 |
| 2016 | 165 | 3.831,19 | 23,22 | 2 |
| 2017 | 156 | 3.651,48 | 23,41 | 2 |
| 2018 | 156 | 3.709,13 | 23,78 | 2 |
| 2019 | 164 | 4.090,33 | 24,94 | 2 |
| 2020 | 149 | 3.934,13 | 26,40 | 2 |
| 2021 | 151 | 3.404,42 | 22,55 | 2 |
| 2022 | 130 | 3.008,43 | 23,14 | 2 |
| 2023 | 145 | 3.323,27 | 22,92 | 2 |
| 2024 | 234 | 5.036,79 | 21,52 | 4 |
| totale | 2.843 | 59.126,08 | 20,80 | 38 |