| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 51 | 620,08 | 12,16 | 1 |
| 2009 | 15 | 515,88 | 34,39 | 1 |
| 2010 | 10 | 358,47 | 35,85 | 1 |
| 2012 | 5 | 38,18 | 7,64 | 1 |
| 2013 | 9 | 102,31 | 11,37 | 1 |
| 2014 | 6 | 95,00 | 15,83 | 1 |
| 2015 | 39 | 377,58 | 9,68 | 1 |
| 2016 | 23 | 246,80 | 10,73 | 1 |
| 2017 | 41 | 604,43 | 14,74 | 1 |
| 2018 | 29 | 542,48 | 18,71 | 1 |
| 2019 | 23 | 419,99 | 18,26 | 1 |
| 2020 | 19 | 316,10 | 16,64 | 1 |
| 2021 | 14 | 188,11 | 13,44 | 1 |
| 2022 | 18 | 205,97 | 11,44 | 1 |
| 2023 | 12 | 129,55 | 10,80 | 1 |
| 2024 | 14 | 194,71 | 13,91 | 1 |
| totale | 328 | 4.955,64 | 15,11 | 16 |