| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 76 | 1.087,05 | 14,30 | 1 |
| 2009 | 13 | 276,47 | 21,27 | 1 |
| 2010 | 18 | 153,52 | 8,53 | 2 |
| 2012 | 17 | 174,49 | 10,26 | 1 |
| 2013 | 15 | 145,12 | 9,67 | 1 |
| 2014 | 13 | 138,40 | 10,65 | 1 |
| 2015 | 12 | 167,36 | 13,95 | 1 |
| 2016 | 11 | 257,82 | 23,44 | 1 |
| 2017 | 15 | 283,46 | 18,90 | 1 |
| 2018 | 12 | 214,89 | 17,91 | 1 |
| 2019 | 11 | 171,94 | 15,63 | 1 |
| 2020 | 10 | 170,16 | 17,02 | 1 |
| 2021 | 7 | 88,30 | 12,61 | 1 |
| 2022 | 8 | 166,08 | 20,76 | 1 |
| 2023 | 18 | 651,84 | 36,21 | 3 |
| 2024 | 19 | 563,08 | 29,64 | 4 |
| totale | 275 | 4.709,98 | 17,13 | 22 |