| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 33 | 727,24 | 22,04 | 1 |
| 2009 | 10 | 259,23 | 25,92 | 1 |
| 2010 | 23 | 383,20 | 16,66 | 2 |
| 2012 | 19 | 414,80 | 21,83 | 2 |
| 2013 | 2 | 123,90 | 61,95 | 2 |
| 2014 | 1 | 17,33 | 17,33 | 1 |
| 2015 | 9 | 317,18 | 35,24 | 3 |
| 2016 | 17 | 299,45 | 17,61 | 3 |
| 2017 | 12 | 297,45 | 24,79 | 2 |
| 2018 | 13 | 178,67 | 13,74 | 3 |
| 2019 | 5 | 173,34 | 34,67 | 3 |
| 2020 | 16 | 356,21 | 22,26 | 3 |
| 2021 | 5 | 130,60 | 26,12 | 3 |
| 2022 | 4 | 34,55 | 8,64 | 3 |
| 2023 | 4 | 44,67 | 11,17 | 3 |
| 2024 | 5 | 74,89 | 14,98 | 3 |
| totale | 178 | 3.832,71 | 21,53 | 38 |