| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 470 | 9.823,96 | 20,90 | 5 |
| 2007 | 454 | 10.224,60 | 22,52 | 4 |
| 2008 | 368 | 10.106,58 | 27,46 | 4 |
| 2009 | 412 | 10.618,09 | 25,77 | 6 |
| 2010 | 370 | 8.453,06 | 22,85 | 6 |
| 2011 | 245 | 5.540,00 | 22,61 | 3 |
| 2012 | 313 | 9.485,70 | 30,31 | 6 |
| 2013 | 306 | 8.907,54 | 29,11 | 6 |
| 2014 | 292 | 9.494,44 | 32,52 | 5 |
| 2015 | 277 | 8.676,10 | 31,32 | 5 |
| 2016 | 285 | 8.410,76 | 29,51 | 5 |
| 2017 | 276 | 9.430,88 | 34,17 | 4 |
| 2018 | 255 | 7.648,29 | 29,99 | 4 |
| 2019 | 259 | 8.035,39 | 31,02 | 5 |
| 2020 | 245 | 8.002,70 | 32,66 | 5 |
| 2021 | 231 | 7.441,38 | 32,21 | 6 |
| 2022 | 250 | 8.074,86 | 32,30 | 5 |
| 2023 | 235 | 7.817,45 | 33,27 | 6 |
| 2024 | 284 | 8.031,19 | 28,28 | 6 |
| totale | 5.827 | 164.222,97 | 28,18 | 96 |