| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 23 | 578,00 | 25,13 | 1 |
| 2009 | 4 | 47,21 | 11,80 | 1 |
| 2010 | 7 | 106,21 | 15,17 | 1 |
| 2012 | 4 | 62,65 | 15,66 | 1 |
| 2013 | 6 | 75,30 | 12,55 | 1 |
| 2014 | 5 | 68,89 | 13,78 | 1 |
| 2015 | 9 | 169,26 | 18,81 | 1 |
| 2016 | 7 | 336,13 | 48,02 | 2 |
| 2017 | 8 | 543,72 | 67,97 | 3 |
| 2018 | 11 | 170,31 | 15,48 | 3 |
| 2019 | 8 | 133,04 | 16,63 | 3 |
| 2020 | 13 | 126,37 | 9,72 | 3 |
| 2021 | 16 | 312,43 | 19,53 | 3 |
| 2022 | 9 | 207,90 | 23,10 | 2 |
| 2023 | 16 | 229,96 | 14,37 | 2 |
| 2024 | 12 | 164,87 | 13,74 | 2 |
| totale | 158 | 3.332,25 | 21,09 | 30 |