| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 23 | 325,47 | 14,15 | 1 |
| 2009 | 174 | 2.663,71 | 15,31 | 2 |
| 2010 | 121 | 2.139,23 | 17,68 | 3 |
| 2011 | 83 | 1.385,02 | 16,69 | 1 |
| 2012 | 96 | 1.478,30 | 15,40 | 2 |
| 2013 | 166 | 2.291,79 | 13,81 | 3 |
| 2014 | 88 | 1.936,23 | 22,00 | 2 |
| 2015 | 42 | 1.005,27 | 23,94 | 2 |
| 2016 | 36 | 1.162,83 | 32,30 | 2 |
| 2017 | 35 | 864,56 | 24,70 | 2 |
| 2018 | 37 | 1.079,23 | 29,17 | 2 |
| 2019 | 20 | 586,27 | 29,31 | 2 |
| 2020 | 20 | 407,71 | 20,39 | 2 |
| 2021 | 33 | 667,96 | 20,24 | 2 |
| 2022 | 51 | 952,03 | 18,67 | 2 |
| 2023 | 21 | 485,46 | 23,12 | 2 |
| 2024 | 60 | 1.632,50 | 27,21 | 3 |
| totale | 1.106 | 21.063,57 | 19,04 | 35 |