| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 652 | 16.838,79 | 25,83 | 3 |
| 2007 | 331 | 9.958,79 | 30,09 | 3 |
| 2008 | 382 | 11.878,27 | 31,09 | 4 |
| 2009 | 321 | 9.420,11 | 29,35 | 5 |
| 2010 | 357 | 8.819,57 | 24,70 | 6 |
| 2011 | 261 | 7.873,35 | 30,17 | 5 |
| 2012 | 303 | 9.080,67 | 29,97 | 6 |
| 2013 | 191 | 5.008,97 | 26,22 | 4 |
| 2014 | 263 | 9.506,36 | 36,15 | 6 |
| 2015 | 260 | 9.072,62 | 34,89 | 5 |
| 2016 | 283 | 9.100,05 | 32,16 | 5 |
| 2017 | 235 | 7.856,65 | 33,43 | 4 |
| 2018 | 237 | 8.089,91 | 34,13 | 5 |
| 2019 | 265 | 8.947,85 | 33,77 | 5 |
| 2020 | 257 | 9.291,08 | 36,15 | 5 |
| 2021 | 237 | 7.744,44 | 32,68 | 5 |
| 2022 | 213 | 6.760,68 | 31,74 | 5 |
| 2023 | 196 | 6.294,64 | 32,12 | 5 |
| 2024 | 231 | 7.025,80 | 30,41 | 6 |
| totale | 5.475 | 168.568,60 | 30,79 | 92 |