| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 87 | 894,71 | 10,28 | 1 |
| 2009 | 5 | 66,00 | 13,20 | 1 |
| 2010 | 57 | 582,91 | 10,23 | 1 |
| 2012 | 43 | 486,06 | 11,30 | 1 |
| 2013 | 37 | 360,63 | 9,75 | 1 |
| 2014 | 30 | 394,38 | 13,15 | 2 |
| 2015 | 45 | 834,39 | 18,54 | 2 |
| 2016 | 40 | 738,90 | 18,47 | 2 |
| 2017 | 37 | 673,08 | 18,19 | 2 |
| 2018 | 36 | 538,18 | 14,95 | 2 |
| 2019 | 31 | 714,74 | 23,06 | 2 |
| 2020 | 32 | 737,60 | 23,05 | 2 |
| 2021 | 28 | 850,76 | 30,38 | 2 |
| 2022 | 26 | 557,24 | 21,43 | 2 |
| 2023 | 25 | 588,69 | 23,55 | 2 |
| 2024 | 25 | 502,87 | 20,11 | 2 |
| totale | 584 | 9.521,14 | 16,30 | 27 |