| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 56 | 861,12 | 15,38 | 2 |
| 2009 | 12 | 197,59 | 16,47 | 1 |
| 2010 | 6 | 113,24 | 18,87 | 1 |
| 2012 | 9 | 304,17 | 33,80 | 1 |
| 2013 | 8 | 109,72 | 13,72 | 1 |
| 2014 | 6 | 141,71 | 23,62 | 1 |
| 2015 | 10 | 165,74 | 16,57 | 1 |
| 2016 | 17 | 1.153,92 | 67,88 | 1 |
| 2017 | 12 | 165,27 | 13,77 | 1 |
| 2018 | 10 | 212,06 | 21,21 | 1 |
| 2019 | 13 | 251,61 | 19,35 | 1 |
| 2020 | 15 | 296,93 | 19,80 | 2 |
| 2021 | 11 | 105,90 | 9,63 | 2 |
| 2022 | 11 | 116,97 | 10,63 | 2 |
| 2023 | 15 | 297,11 | 19,81 | 3 |
| 2024 | 16 | 326,52 | 20,41 | 3 |
| totale | 227 | 4.819,58 | 21,23 | 24 |