| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 48 | 1.176,76 | 24,52 | 1 |
| 2009 | 13 | 305,35 | 23,49 | 1 |
| 2010 | 17 | 339,67 | 19,98 | 1 |
| 2012 | 17 | 435,40 | 25,61 | 1 |
| 2013 | 17 | 399,11 | 23,48 | 1 |
| 2014 | 32 | 806,91 | 25,22 | 2 |
| 2015 | 32 | 960,17 | 30,01 | 2 |
| 2016 | 29 | 813,29 | 28,04 | 2 |
| 2017 | 37 | 926,23 | 25,03 | 3 |
| 2018 | 32 | 860,51 | 26,89 | 3 |
| 2019 | 35 | 1.072,90 | 30,65 | 3 |
| 2020 | 42 | 1.246,23 | 29,67 | 3 |
| 2021 | 23 | 750,26 | 32,62 | 2 |
| 2022 | 18 | 684,59 | 38,03 | 1 |
| 2023 | 22 | 686,87 | 31,22 | 1 |
| 2024 | 21 | 537,22 | 25,58 | 2 |
| totale | 435 | 12.001,47 | 27,59 | 29 |