| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 78 | 1.144,23 | 14,67 | 1 |
| 2009 | 28 | 476,99 | 17,04 | 1 |
| 2010 | 26 | 407,05 | 15,66 | 1 |
| 2012 | 42 | 607,04 | 14,45 | 1 |
| 2013 | 28 | 392,99 | 14,04 | 2 |
| 2014 | 44 | 808,74 | 18,38 | 2 |
| 2015 | 59 | 1.325,44 | 22,47 | 2 |
| 2016 | 24 | 629,83 | 26,24 | 2 |
| 2017 | 26 | 997,47 | 38,36 | 2 |
| 2018 | 31 | 1.260,02 | 40,65 | 2 |
| 2019 | 35 | 850,04 | 24,29 | 2 |
| 2020 | 27 | 600,79 | 22,25 | 3 |
| 2021 | 30 | 1.082,90 | 36,10 | 4 |
| 2022 | 24 | 830,80 | 34,62 | 3 |
| 2023 | 25 | 539,47 | 21,58 | 3 |
| 2024 | 33 | 1.012,25 | 30,67 | 3 |
| totale | 560 | 12.966,05 | 23,15 | 34 |