| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 325 | 7.119,85 | 21,91 | 3 |
| 2007 | 232 | 6.268,79 | 27,02 | 2 |
| 2008 | 203 | 5.474,50 | 26,97 | 2 |
| 2009 | 163 | 4.501,19 | 27,61 | 3 |
| 2010 | 218 | 5.333,77 | 24,47 | 3 |
| 2011 | 200 | 4.481,34 | 22,41 | 2 |
| 2012 | 108 | 2.735,00 | 25,32 | 2 |
| 2013 | 127 | 2.719,80 | 21,42 | 2 |
| 2014 | 197 | 5.291,07 | 26,86 | 3 |
| 2015 | 183 | 5.613,91 | 30,68 | 4 |
| 2016 | 227 | 7.050,39 | 31,06 | 4 |
| 2017 | 227 | 6.193,96 | 27,29 | 4 |
| 2018 | 222 | 6.265,60 | 28,22 | 4 |
| 2019 | 238 | 6.278,80 | 26,38 | 4 |
| 2020 | 231 | 6.058,49 | 26,23 | 4 |
| 2021 | 199 | 5.008,52 | 25,17 | 3 |
| 2022 | 221 | 6.282,26 | 28,43 | 3 |
| 2023 | 213 | 5.370,60 | 25,21 | 3 |
| 2024 | 230 | 5.311,36 | 23,09 | 3 |
| totale | 3.964 | 103.359,20 | 26,07 | 58 |