| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 279 | 4.906,60 | 17,59 | 2 |
| 2007 | 50 | 1.073,08 | 21,46 | 2 |
| 2008 | 30 | 700,59 | 23,35 | 1 |
| 2009 | 91 | 1.713,57 | 18,83 | 3 |
| 2010 | 131 | 2.426,28 | 18,52 | 3 |
| 2011 | 77 | 1.466,37 | 19,04 | 1 |
| 2012 | 233 | 4.358,24 | 18,70 | 3 |
| 2013 | 258 | 5.154,37 | 19,98 | 3 |
| 2014 | 343 | 7.823,98 | 22,81 | 3 |
| 2015 | 337 | 7.848,51 | 23,29 | 3 |
| 2016 | 415 | 9.925,53 | 23,92 | 3 |
| 2017 | 412 | 9.722,40 | 23,60 | 3 |
| 2018 | 377 | 9.270,95 | 24,59 | 3 |
| 2019 | 389 | 9.343,87 | 24,02 | 3 |
| 2020 | 384 | 9.278,19 | 24,16 | 3 |
| 2021 | 361 | 8.837,66 | 24,48 | 5 |
| 2022 | 373 | 9.389,73 | 25,17 | 5 |
| 2023 | 358 | 8.498,50 | 23,74 | 5 |
| 2024 | 323 | 8.090,91 | 25,05 | 6 |
| totale | 5.221 | 119.829,33 | 22,95 | 60 |