| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 263 | 5.097,50 | 19,38 | 2 |
| 2007 | 220 | 4.186,96 | 19,03 | 1 |
| 2008 | 242 | 4.247,12 | 17,55 | 1 |
| 2009 | 292 | 6.261,20 | 21,44 | 3 |
| 2010 | 307 | 5.790,60 | 18,86 | 3 |
| 2011 | 237 | 3.934,53 | 16,60 | 1 |
| 2012 | 242 | 4.304,82 | 17,79 | 3 |
| 2013 | 253 | 4.589,29 | 18,14 | 3 |
| 2014 | 245 | 5.296,05 | 21,62 | 3 |
| 2015 | 304 | 7.302,91 | 24,02 | 4 |
| 2016 | 293 | 7.317,91 | 24,98 | 5 |
| 2017 | 284 | 7.022,82 | 24,73 | 4 |
| 2018 | 292 | 7.285,57 | 24,95 | 4 |
| 2019 | 291 | 6.959,71 | 23,92 | 4 |
| 2020 | 304 | 7.987,37 | 26,27 | 4 |
| 2021 | 301 | 7.524,43 | 25,00 | 4 |
| 2022 | 259 | 6.995,24 | 27,01 | 3 |
| 2023 | 310 | 7.893,12 | 25,46 | 4 |
| 2024 | 320 | 7.850,17 | 24,53 | 5 |
| totale | 5.259 | 117.847,32 | 22,41 | 61 |