| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 504 | 12.619,06 | 25,04 | 4 |
| 2007 | 332 | 12.146,99 | 36,59 | 3 |
| 2008 | 320 | 12.884,15 | 40,26 | 4 |
| 2009 | 356 | 13.717,42 | 38,53 | 5 |
| 2010 | 403 | 12.429,34 | 30,84 | 5 |
| 2011 | 320 | 12.010,26 | 37,53 | 3 |
| 2012 | 360 | 12.587,44 | 34,97 | 5 |
| 2013 | 497 | 13.206,95 | 26,57 | 5 |
| 2014 | 466 | 16.126,95 | 34,61 | 5 |
| 2015 | 438 | 14.321,82 | 32,70 | 5 |
| 2016 | 391 | 13.152,48 | 33,64 | 5 |
| 2017 | 370 | 13.360,59 | 36,11 | 5 |
| 2018 | 367 | 13.569,97 | 36,98 | 5 |
| 2019 | 310 | 11.501,02 | 37,10 | 5 |
| 2020 | 289 | 9.569,48 | 33,11 | 5 |
| 2021 | 195 | 5.286,95 | 27,11 | 4 |
| 2022 | 175 | 5.564,86 | 31,80 | 4 |
| 2023 | 196 | 6.253,55 | 31,91 | 5 |
| 2024 | 161 | 5.166,30 | 32,09 | 5 |
| totale | 6.450 | 215.475,58 | 33,41 | 87 |