| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 108 | 1.811,98 | 16,78 | 1 |
| 2009 | 19 | 418,01 | 22,00 | 1 |
| 2010 | 16 | 313,35 | 19,58 | 1 |
| 2012 | 21 | 520,41 | 24,78 | 2 |
| 2013 | 26 | 547,32 | 21,05 | 2 |
| 2014 | 34 | 866,43 | 25,48 | 2 |
| 2015 | 29 | 720,80 | 24,86 | 2 |
| 2016 | 23 | 684,37 | 29,76 | 2 |
| 2017 | 27 | 791,29 | 29,31 | 2 |
| 2018 | 20 | 742,94 | 37,15 | 2 |
| 2019 | 23 | 922,55 | 40,11 | 2 |
| 2020 | 24 | 932,37 | 38,85 | 2 |
| 2021 | 29 | 998,50 | 34,43 | 2 |
| 2022 | 12 | 563,82 | 46,99 | 1 |
| 2023 | 107 | 2.813,14 | 26,29 | 3 |
| 2024 | 53 | 1.589,59 | 29,99 | 2 |
| totale | 571 | 15.236,87 | 26,68 | 29 |