| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 114 | 1.396,60 | 12,25 | 1 |
| 2007 | 927 | 21.812,22 | 23,53 | 1 |
| 2009 | 17 | 325,96 | 19,17 | 1 |
| 2010 | 117 | 2.445,10 | 20,90 | 3 |
| 2012 | 120 | 2.002,00 | 16,68 | 2 |
| 2013 | 65 | 1.182,39 | 18,19 | 2 |
| 2014 | 59 | 1.125,81 | 19,08 | 2 |
| 2015 | 46 | 716,75 | 15,58 | 2 |
| 2016 | 50 | 993,46 | 19,87 | 2 |
| 2017 | 55 | 1.198,77 | 21,80 | 2 |
| 2018 | 35 | 782,88 | 22,37 | 2 |
| 2019 | 38 | 796,16 | 20,95 | 1 |
| 2020 | 25 | 834,02 | 33,36 | 1 |
| 2021 | 30 | 893,08 | 29,77 | 1 |
| 2022 | 28 | 680,46 | 24,30 | 1 |
| 2023 | 71 | 2.481,75 | 34,95 | 2 |
| 2024 | 66 | 1.705,24 | 25,84 | 2 |
| totale | 1.863 | 41.372,65 | 22,21 | 28 |