| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 56 | 725,35 | 12,95 | 2 |
| 2007 | 9 | 122,72 | 13,64 | 1 |
| 2008 | 8 | 82,25 | 10,28 | 1 |
| 2009 | 33 | 389,44 | 11,80 | 3 |
| 2010 | 30 | 565,66 | 18,86 | 2 |
| 2011 | 0 | 0,00 | 0,00 | 1 |
| 2012 | 40 | 464,08 | 11,60 | 1 |
| 2013 | 53 | 487,34 | 9,20 | 1 |
| 2014 | 54 | 487,92 | 9,04 | 1 |
| 2015 | 21 | 371,06 | 17,67 | 1 |
| 2016 | 17 | 283,20 | 16,66 | 1 |
| 2017 | 7 | 137,41 | 19,63 | 1 |
| 2018 | 573 | 15.975,43 | 27,88 | 2 |
| 2019 | 863 | 20.401,03 | 23,64 | 2 |
| 2020 | 705 | 18.010,79 | 25,55 | 2 |
| 2021 | 1.075 | 27.477,04 | 25,56 | 3 |
| 2022 | 1.133 | 29.059,34 | 25,65 | 5 |
| 2023 | 1.174 | 27.022,30 | 23,02 | 5 |
| 2024 | 1.113 | 25.799,08 | 23,18 | 6 |
| totale | 6.964 | 167.861,44 | 24,10 | 41 |