| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 41 | 801,47 | 19,55 | 2 |
| 2009 | 12 | 211,34 | 17,61 | 1 |
| 2010 | 9 | 157,34 | 17,48 | 1 |
| 2011 | 16 | 211,20 | 13,20 | 1 |
| 2012 | 29 | 588,64 | 20,30 | 1 |
| 2013 | 56 | 862,34 | 15,40 | 1 |
| 2014 | 52 | 1.028,14 | 19,77 | 1 |
| 2015 | 52 | 1.053,69 | 20,26 | 1 |
| 2016 | 31 | 690,63 | 22,28 | 1 |
| 2017 | 31 | 831,74 | 26,83 | 1 |
| 2018 | 26 | 640,35 | 24,63 | 1 |
| 2019 | 21 | 742,78 | 35,37 | 1 |
| 2020 | 17 | 905,52 | 53,27 | 1 |
| 2021 | 7 | 350,47 | 50,07 | 1 |
| 2022 | 12 | 546,66 | 45,56 | 1 |
| 2023 | 17 | 614,95 | 36,17 | 1 |
| 2024 | 12 | 494,78 | 41,23 | 1 |
| totale | 441 | 10.732,04 | 24,34 | 18 |