| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 51 | 890,32 | 17,46 | 1 |
| 2009 | 11 | 257,99 | 23,45 | 1 |
| 2010 | 17 | 233,31 | 13,72 | 1 |
| 2012 | 11 | 139,72 | 12,70 | 1 |
| 2013 | 15 | 307,60 | 20,51 | 2 |
| 2014 | 6 | 102,01 | 17,00 | 1 |
| 2015 | 13 | 263,14 | 20,24 | 2 |
| 2016 | 27 | 674,37 | 24,98 | 2 |
| 2017 | 15 | 352,44 | 23,50 | 2 |
| 2018 | 19 | 635,84 | 33,47 | 2 |
| 2019 | 20 | 764,80 | 38,24 | 2 |
| 2020 | 16 | 567,03 | 35,44 | 2 |
| 2021 | 11 | 509,97 | 46,36 | 3 |
| 2022 | 15 | 457,67 | 30,51 | 3 |
| 2023 | 18 | 423,35 | 23,52 | 4 |
| 2024 | 113 | 3.955,84 | 35,01 | 7 |
| totale | 378 | 10.535,40 | 27,87 | 36 |