| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 56 | 867,53 | 15,49 | 1 |
| 2009 | 15 | 271,06 | 18,07 | 1 |
| 2010 | 16 | 191,14 | 11,95 | 1 |
| 2012 | 34 | 753,78 | 22,17 | 2 |
| 2013 | 21 | 283,48 | 13,50 | 1 |
| 2014 | 57 | 865,23 | 15,18 | 1 |
| 2015 | 24 | 368,36 | 15,35 | 2 |
| 2016 | 32 | 791,81 | 24,74 | 2 |
| 2017 | 31 | 974,31 | 31,43 | 2 |
| 2018 | 20 | 662,93 | 33,15 | 2 |
| 2019 | 26 | 737,52 | 28,37 | 2 |
| 2020 | 29 | 898,34 | 30,98 | 2 |
| 2021 | 22 | 649,66 | 29,53 | 2 |
| 2022 | 23 | 530,92 | 23,08 | 2 |
| 2023 | 51 | 780,00 | 15,29 | 2 |
| 2024 | 52 | 693,07 | 13,33 | 2 |
| totale | 509 | 10.319,14 | 20,27 | 27 |