| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 34 | 437,78 | 12,88 | 1 |
| 2009 | 9 | 274,40 | 30,49 | 1 |
| 2010 | 8 | 191,07 | 23,88 | 1 |
| 2012 | 7 | 139,23 | 19,89 | 1 |
| 2013 | 6 | 152,46 | 25,41 | 1 |
| 2014 | 7 | 216,24 | 30,89 | 1 |
| 2015 | 7 | 215,27 | 30,75 | 1 |
| 2016 | 9 | 224,44 | 24,94 | 1 |
| 2017 | 4 | 105,03 | 26,26 | 1 |
| 2018 | 8 | 188,22 | 23,53 | 1 |
| 2019 | 6 | 134,94 | 22,49 | 1 |
| 2020 | 3 | 65,56 | 21,85 | 1 |
| 2021 | 3 | 61,07 | 20,36 | 1 |
| 2022 | 3 | 54,75 | 18,25 | 1 |
| 2023 | 4 | 48,42 | 12,11 | 1 |
| 2024 | 6 | 129,09 | 21,52 | 1 |
| totale | 124 | 2.637,97 | 21,27 | 16 |