| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 145 | 2.310,77 | 15,94 | 2 |
| 2007 | 148 | 2.450,36 | 16,56 | 1 |
| 2008 | 235 | 4.424,95 | 18,83 | 2 |
| 2009 | 171 | 3.028,15 | 17,71 | 2 |
| 2010 | 123 | 1.751,89 | 14,24 | 2 |
| 2011 | 219 | 3.009,22 | 13,74 | 1 |
| 2012 | 182 | 3.157,98 | 17,35 | 3 |
| 2013 | 364 | 5.644,74 | 15,51 | 4 |
| 2014 | 450 | 7.863,15 | 17,47 | 4 |
| 2015 | 506 | 8.413,55 | 16,63 | 4 |
| 2016 | 594 | 11.426,29 | 19,24 | 4 |
| 2017 | 627 | 11.776,80 | 18,78 | 4 |
| 2018 | 512 | 9.128,19 | 17,83 | 4 |
| 2019 | 322 | 6.068,66 | 18,85 | 3 |
| 2020 | 527 | 10.730,26 | 20,36 | 5 |
| 2021 | 689 | 15.275,92 | 22,17 | 6 |
| 2022 | 750 | 17.786,91 | 23,72 | 6 |
| 2023 | 722 | 15.450,94 | 21,40 | 6 |
| 2024 | 426 | 8.556,17 | 20,08 | 6 |
| totale | 7.712 | 148.254,90 | 19,22 | 69 |