| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 330 | 6.375,73 | 19,32 | 2 |
| 2007 | 311 | 6.727,42 | 21,63 | 1 |
| 2008 | 326 | 6.872,07 | 21,08 | 2 |
| 2009 | 344 | 6.914,58 | 20,10 | 3 |
| 2010 | 254 | 4.115,18 | 16,20 | 3 |
| 2011 | 250 | 5.184,60 | 20,74 | 3 |
| 2012 | 196 | 3.591,69 | 18,32 | 5 |
| 2013 | 275 | 5.081,32 | 18,48 | 4 |
| 2014 | 301 | 6.205,48 | 20,62 | 4 |
| 2015 | 272 | 5.956,27 | 21,90 | 7 |
| 2016 | 281 | 6.433,11 | 22,89 | 4 |
| 2017 | 278 | 5.829,71 | 20,97 | 6 |
| 2018 | 279 | 6.307,27 | 22,61 | 6 |
| 2019 | 327 | 7.229,84 | 22,11 | 8 |
| 2020 | 345 | 7.673,49 | 22,24 | 8 |
| 2021 | 374 | 8.355,45 | 22,34 | 8 |
| 2022 | 375 | 7.914,38 | 21,11 | 8 |
| 2023 | 317 | 7.374,23 | 23,26 | 8 |
| 2024 | 311 | 7.342,89 | 23,61 | 8 |
| totale | 5.746 | 121.484,71 | 21,14 | 98 |