| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 39 | 547,09 | 14,03 | 1 |
| 2009 | 12 | 170,91 | 14,24 | 1 |
| 2010 | 6 | 42,92 | 7,15 | 1 |
| 2012 | 4 | 68,29 | 17,07 | 1 |
| 2013 | 10 | 155,85 | 15,59 | 1 |
| 2014 | 11 | 220,14 | 20,01 | 1 |
| 2015 | 7 | 108,53 | 15,50 | 2 |
| 2016 | 54 | 2.069,36 | 38,32 | 3 |
| 2017 | 44 | 1.797,24 | 40,85 | 3 |
| 2018 | 24 | 765,58 | 31,90 | 2 |
| 2019 | 27 | 843,91 | 31,26 | 2 |
| 2020 | 18 | 962,12 | 53,45 | 2 |
| 2021 | 20 | 878,60 | 43,93 | 2 |
| 2022 | 18 | 884,25 | 49,13 | 2 |
| 2023 | 3 | 49,91 | 16,64 | 1 |
| 2024 | 4 | 38,36 | 9,59 | 1 |
| totale | 301 | 9.603,06 | 31,90 | 26 |