| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 61 | 1.047,70 | 17,18 | 1 |
| 2009 | 11 | 148,19 | 13,47 | 1 |
| 2010 | 9 | 175,21 | 19,47 | 1 |
| 2012 | 6 | 131,08 | 21,85 | 1 |
| 2013 | 10 | 219,70 | 21,97 | 1 |
| 2014 | 12 | 304,48 | 25,37 | 1 |
| 2015 | 10 | 165,11 | 16,51 | 1 |
| 2016 | 3 | 52,97 | 17,66 | 1 |
| 2017 | 1 | 20,05 | 20,05 | 1 |
| 2018 | 3 | 108,21 | 36,07 | 1 |
| 2019 | 6 | 99,62 | 16,60 | 1 |
| 2020 | 6 | 167,48 | 27,91 | 1 |
| 2021 | 7 | 139,33 | 19,90 | 1 |
| 2022 | 9 | 192,01 | 21,33 | 1 |
| 2023 | 8 | 132,29 | 16,54 | 1 |
| 2024 | 8 | 135,83 | 16,98 | 1 |
| totale | 170 | 3.239,26 | 19,05 | 16 |