| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 44 | 676,37 | 15,37 | 1 |
| 2009 | 4 | 92,26 | 23,07 | 1 |
| 2010 | 13 | 135,46 | 10,42 | 1 |
| 2011 | 46 | 816,05 | 17,74 | 1 |
| 2012 | 42 | 759,21 | 18,08 | 2 |
| 2013 | 36 | 583,91 | 16,22 | 2 |
| 2014 | 35 | 760,27 | 21,72 | 2 |
| 2015 | 37 | 747,13 | 20,19 | 2 |
| 2016 | 37 | 786,28 | 21,25 | 2 |
| 2017 | 30 | 677,83 | 22,59 | 2 |
| 2018 | 37 | 772,56 | 20,88 | 2 |
| 2019 | 38 | 836,41 | 22,01 | 2 |
| 2020 | 38 | 861,16 | 22,66 | 2 |
| 2021 | 28 | 634,77 | 22,67 | 2 |
| 2022 | 25 | 524,95 | 21,00 | 2 |
| 2023 | 30 | 788,83 | 26,29 | 2 |
| 2024 | 33 | 707,41 | 21,44 | 2 |
| totale | 553 | 11.160,86 | 20,18 | 30 |