| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 34 | 476,28 | 14,01 | 1 |
| 2009 | 4 | 124,70 | 31,18 | 1 |
| 2010 | 10 | 181,33 | 18,13 | 1 |
| 2012 | 45 | 1.213,93 | 26,98 | 2 |
| 2013 | 47 | 1.091,27 | 23,22 | 2 |
| 2014 | 43 | 964,18 | 22,42 | 2 |
| 2015 | 34 | 684,75 | 20,14 | 2 |
| 2016 | 39 | 754,52 | 19,35 | 2 |
| 2017 | 29 | 611,89 | 21,10 | 2 |
| 2018 | 17 | 347,11 | 20,42 | 2 |
| 2019 | 20 | 527,29 | 26,36 | 2 |
| 2020 | 28 | 698,39 | 24,94 | 2 |
| 2021 | 20 | 515,79 | 25,79 | 2 |
| 2022 | 20 | 574,71 | 28,74 | 2 |
| 2023 | 15 | 469,66 | 31,31 | 2 |
| 2024 | 12 | 337,67 | 28,14 | 2 |
| totale | 417 | 9.573,47 | 22,96 | 29 |