| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 86 | 1.337,75 | 15,56 | 1 |
| 2009 | 22 | 456,96 | 20,77 | 1 |
| 2010 | 95 | 1.548,61 | 16,30 | 1 |
| 2012 | 77 | 1.040,11 | 13,51 | 1 |
| 2013 | 54 | 867,67 | 16,07 | 1 |
| 2014 | 48 | 981,12 | 20,44 | 2 |
| 2015 | 17 | 312,01 | 18,35 | 1 |
| 2016 | 20 | 486,95 | 24,35 | 1 |
| 2017 | 18 | 404,08 | 22,45 | 1 |
| 2018 | 18 | 445,29 | 24,74 | 1 |
| 2019 | 13 | 338,83 | 26,06 | 1 |
| 2020 | 8 | 326,46 | 40,81 | 1 |
| 2021 | 13 | 605,01 | 46,54 | 1 |
| 2022 | 13 | 665,59 | 51,20 | 1 |
| 2023 | 9 | 363,91 | 40,43 | 3 |
| 2024 | 15 | 368,12 | 24,54 | 3 |
| totale | 526 | 10.548,47 | 20,05 | 21 |