| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 104 | 1.888,36 | 18,16 | 1 |
| 2009 | 11 | 226,74 | 20,61 | 1 |
| 2010 | 22 | 309,79 | 14,08 | 2 |
| 2012 | 20 | 308,26 | 15,41 | 1 |
| 2013 | 18 | 244,37 | 13,58 | 1 |
| 2014 | 19 | 342,30 | 18,02 | 1 |
| 2015 | 20 | 574,37 | 28,72 | 1 |
| 2016 | 12 | 396,53 | 33,04 | 1 |
| 2017 | 11 | 355,35 | 32,30 | 1 |
| 2018 | 16 | 555,33 | 34,71 | 1 |
| 2019 | 17 | 311,64 | 18,33 | 1 |
| 2020 | 15 | 314,34 | 20,96 | 1 |
| 2021 | 13 | 291,86 | 22,45 | 1 |
| 2022 | 17 | 441,64 | 25,98 | 1 |
| 2023 | 11 | 307,84 | 27,99 | 3 |
| 2024 | 13 | 360,64 | 27,74 | 3 |
| totale | 339 | 7.229,36 | 21,33 | 21 |