| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 31 | 452,23 | 14,59 | 2 |
| 2009 | 7 | 359,41 | 51,34 | 1 |
| 2010 | 5 | 88,74 | 17,75 | 1 |
| 2012 | 4 | 50,62 | 12,66 | 1 |
| 2013 | 3 | 37,91 | 12,64 | 1 |
| 2014 | 3 | 28,53 | 9,51 | 1 |
| 2015 | 5 | 108,26 | 21,65 | 2 |
| 2016 | 5 | 96,89 | 19,38 | 2 |
| 2017 | 5 | 45,93 | 9,19 | 1 |
| 2018 | 3 | 69,26 | 23,09 | 2 |
| 2019 | 7 | 129,61 | 18,52 | 2 |
| 2020 | 6 | 50,83 | 8,47 | 2 |
| 2021 | 7 | 67,80 | 9,69 | 2 |
| 2022 | 9 | 314,12 | 34,90 | 2 |
| 2023 | 10 | 238,99 | 23,90 | 2 |
| 2024 | 13 | 195,33 | 15,03 | 2 |
| totale | 123 | 2.334,46 | 18,98 | 26 |