| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 771 | 13.661,75 | 17,72 | 3 |
| 2007 | 84 | 2.027,42 | 24,14 | 2 |
| 2008 | 63 | 1.435,83 | 22,79 | 2 |
| 2009 | 213 | 4.088,34 | 19,19 | 2 |
| 2010 | 266 | 4.124,17 | 15,50 | 3 |
| 2011 | 92 | 1.425,62 | 15,50 | 2 |
| 2012 | 268 | 4.103,47 | 15,31 | 3 |
| 2013 | 337 | 5.441,50 | 16,15 | 4 |
| 2014 | 330 | 5.931,30 | 17,97 | 4 |
| 2015 | 300 | 5.770,82 | 19,24 | 4 |
| 2016 | 299 | 5.987,82 | 20,03 | 3 |
| 2017 | 280 | 5.986,65 | 21,38 | 4 |
| 2018 | 267 | 5.735,53 | 21,48 | 4 |
| 2019 | 289 | 6.979,32 | 24,15 | 4 |
| 2020 | 301 | 8.090,36 | 26,88 | 4 |
| 2021 | 297 | 7.834,52 | 26,38 | 4 |
| 2022 | 294 | 8.041,41 | 27,35 | 4 |
| 2023 | 280 | 7.509,35 | 26,82 | 4 |
| 2024 | 278 | 6.938,24 | 24,96 | 4 |
| totale | 5.309 | 111.113,42 | 20,93 | 64 |