| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 38 | 930,92 | 24,50 | 1 |
| 2009 | 15 | 221,68 | 14,78 | 1 |
| 2010 | 18 | 250,05 | 13,89 | 1 |
| 2012 | 18 | 275,52 | 15,31 | 1 |
| 2013 | 15 | 265,41 | 17,69 | 1 |
| 2014 | 19 | 485,08 | 25,53 | 2 |
| 2015 | 12 | 280,11 | 23,34 | 1 |
| 2016 | 11 | 200,76 | 18,25 | 1 |
| 2017 | 14 | 198,93 | 14,21 | 1 |
| 2018 | 15 | 200,37 | 13,36 | 1 |
| 2019 | 23 | 496,20 | 21,57 | 2 |
| 2020 | 19 | 628,64 | 33,09 | 2 |
| 2021 | 17 | 547,07 | 32,18 | 2 |
| 2022 | 15 | 553,39 | 36,89 | 2 |
| 2023 | 13 | 467,14 | 35,93 | 2 |
| 2024 | 14 | 529,35 | 37,81 | 2 |
| totale | 276 | 6.530,62 | 23,66 | 23 |