| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 60 | 1.036,01 | 17,27 | 2 |
| 2007 | 13 | 210,84 | 16,22 | 1 |
| 2008 | 89 | 1.759,46 | 19,77 | 1 |
| 2009 | 39 | 677,75 | 17,38 | 2 |
| 2010 | 43 | 887,44 | 20,64 | 2 |
| 2011 | 21 | 371,90 | 17,71 | 1 |
| 2012 | 27 | 479,46 | 17,76 | 2 |
| 2013 | 37 | 566,58 | 15,31 | 2 |
| 2014 | 33 | 774,55 | 23,47 | 2 |
| 2015 | 32 | 665,52 | 20,80 | 2 |
| 2016 | 25 | 552,35 | 22,09 | 2 |
| 2017 | 29 | 706,30 | 24,36 | 2 |
| 2018 | 43 | 890,66 | 20,71 | 2 |
| 2019 | 35 | 739,15 | 21,12 | 2 |
| 2020 | 31 | 676,82 | 21,83 | 2 |
| 2021 | 49 | 994,40 | 20,29 | 2 |
| 2022 | 40 | 813,42 | 20,34 | 2 |
| 2023 | 34 | 651,27 | 19,16 | 2 |
| 2024 | 38 | 744,58 | 19,59 | 2 |
| totale | 718 | 14.198,46 | 19,78 | 35 |