| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 329 | 5.534,69 | 16,82 | 2 |
| 2007 | 249 | 4.951,34 | 19,88 | 1 |
| 2008 | 200 | 4.494,70 | 22,47 | 1 |
| 2009 | 181 | 3.892,75 | 21,51 | 2 |
| 2010 | 194 | 3.595,63 | 18,53 | 2 |
| 2011 | 189 | 3.478,57 | 18,41 | 1 |
| 2012 | 146 | 3.189,84 | 21,85 | 2 |
| 2013 | 166 | 3.331,48 | 20,07 | 2 |
| 2014 | 150 | 3.450,64 | 23,00 | 3 |
| 2015 | 188 | 3.858,50 | 20,52 | 2 |
| 2016 | 194 | 3.762,29 | 19,39 | 2 |
| 2017 | 195 | 3.813,37 | 19,56 | 2 |
| 2018 | 223 | 4.256,31 | 19,09 | 2 |
| 2019 | 218 | 3.817,64 | 17,51 | 2 |
| 2020 | 196 | 3.933,11 | 20,07 | 3 |
| 2021 | 215 | 4.367,68 | 20,31 | 3 |
| 2022 | 182 | 3.947,27 | 21,69 | 4 |
| 2023 | 190 | 3.788,97 | 19,94 | 4 |
| 2024 | 181 | 3.688,40 | 20,38 | 4 |
| totale | 3.786 | 75.153,18 | 19,85 | 44 |