| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 243 | 6.415,76 | 26,40 | 3 |
| 2007 | 162 | 4.462,67 | 27,55 | 2 |
| 2008 | 150 | 3.724,50 | 24,83 | 1 |
| 2009 | 144 | 3.439,46 | 23,89 | 2 |
| 2010 | 29 | 821,08 | 28,31 | 1 |
| 2012 | 161 | 3.506,65 | 21,78 | 2 |
| 2013 | 181 | 3.684,49 | 20,36 | 2 |
| 2014 | 191 | 4.821,76 | 25,24 | 2 |
| 2015 | 201 | 5.068,41 | 25,22 | 2 |
| 2016 | 174 | 4.548,27 | 26,14 | 2 |
| 2017 | 171 | 4.260,63 | 24,92 | 2 |
| 2018 | 176 | 4.503,13 | 25,59 | 2 |
| 2019 | 148 | 3.490,09 | 23,58 | 2 |
| 2020 | 147 | 3.322,78 | 22,60 | 2 |
| 2021 | 134 | 3.054,68 | 22,80 | 2 |
| 2022 | 48 | 1.111,13 | 23,15 | 1 |
| 2023 | 123 | 2.458,59 | 19,99 | 2 |
| 2024 | 127 | 2.560,53 | 20,16 | 2 |
| totale | 2.710 | 65.254,61 | 24,08 | 34 |