| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 72 | 1.122,42 | 15,59 | 1 |
| 2007 | 13 | 196,29 | 15,10 | 1 |
| 2009 | 27 | 427,25 | 15,82 | 2 |
| 2010 | 4 | 68,32 | 17,08 | 1 |
| 2012 | 16 | 290,62 | 18,16 | 2 |
| 2013 | 21 | 465,31 | 22,16 | 2 |
| 2014 | 29 | 736,67 | 25,40 | 2 |
| 2015 | 45 | 1.197,37 | 26,61 | 2 |
| 2016 | 4 | 150,11 | 37,53 | 1 |
| 2017 | 3 | 99,18 | 33,06 | 1 |
| 2018 | 62 | 1.556,55 | 25,11 | 2 |
| 2019 | 46 | 994,73 | 21,62 | 2 |
| 2020 | 39 | 900,82 | 23,10 | 2 |
| 2021 | 39 | 914,09 | 23,44 | 2 |
| 2022 | 31 | 662,79 | 21,38 | 2 |
| 2023 | 41 | 929,24 | 22,66 | 2 |
| 2024 | 43 | 991,74 | 23,06 | 2 |
| totale | 535 | 11.703,50 | 21,88 | 29 |