| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 53 | 1.263,15 | 23,83 | 3 |
| 2009 | 11 | 295,37 | 26,85 | 2 |
| 2010 | 4 | 10,71 | 2,68 | 1 |
| 2011 | 34 | 515,93 | 15,17 | 1 |
| 2012 | 36 | 507,81 | 14,11 | 2 |
| 2013 | 34 | 383,98 | 11,29 | 2 |
| 2014 | 77 | 1.329,38 | 17,26 | 2 |
| 2015 | 37 | 1.139,27 | 30,79 | 2 |
| 2016 | 27 | 421,01 | 15,59 | 2 |
| 2017 | 26 | 407,76 | 15,68 | 2 |
| 2018 | 31 | 619,44 | 19,98 | 2 |
| 2019 | 31 | 581,33 | 18,75 | 2 |
| 2020 | 13 | 319,85 | 24,60 | 2 |
| 2021 | 17 | 352,62 | 20,74 | 2 |
| 2022 | 12 | 216,59 | 18,05 | 2 |
| 2023 | 12 | 253,50 | 21,13 | 2 |
| 2024 | 13 | 260,63 | 20,05 | 2 |
| totale | 468 | 8.878,33 | 18,97 | 33 |