| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 233 | 4.521,11 | 19,40 | 3 |
| 2007 | 194 | 4.248,13 | 21,90 | 1 |
| 2008 | 208 | 4.679,34 | 22,50 | 2 |
| 2009 | 203 | 4.655,37 | 22,93 | 3 |
| 2010 | 214 | 4.140,79 | 19,35 | 3 |
| 2011 | 209 | 3.832,71 | 18,34 | 2 |
| 2012 | 224 | 3.765,05 | 16,81 | 3 |
| 2013 | 221 | 3.632,13 | 16,43 | 4 |
| 2014 | 221 | 4.871,05 | 22,04 | 4 |
| 2015 | 204 | 4.450,74 | 21,82 | 3 |
| 2016 | 212 | 4.535,55 | 21,39 | 2 |
| 2017 | 212 | 4.345,84 | 20,50 | 2 |
| 2018 | 222 | 4.956,36 | 22,33 | 3 |
| 2019 | 211 | 4.589,54 | 21,75 | 3 |
| 2020 | 198 | 4.715,78 | 23,82 | 3 |
| 2021 | 168 | 4.182,78 | 24,90 | 3 |
| 2022 | 204 | 5.659,22 | 27,74 | 3 |
| 2023 | 191 | 5.099,82 | 26,70 | 4 |
| 2024 | 227 | 5.418,09 | 23,87 | 4 |
| totale | 3.976 | 86.299,40 | 21,71 | 55 |