| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 68 | 961,05 | 14,13 | 1 |
| 2009 | 19 | 485,84 | 25,57 | 1 |
| 2010 | 10 | 139,83 | 13,98 | 1 |
| 2012 | 11 | 179,97 | 16,36 | 1 |
| 2013 | 8 | 191,85 | 23,98 | 1 |
| 2014 | 14 | 276,24 | 19,73 | 1 |
| 2015 | 8 | 159,16 | 19,90 | 1 |
| 2016 | 11 | 214,45 | 19,50 | 1 |
| 2017 | 8 | 185,84 | 23,23 | 1 |
| 2018 | 5 | 61,99 | 12,40 | 1 |
| 2019 | 3 | 72,92 | 24,31 | 1 |
| 2020 | 3 | 79,56 | 26,52 | 1 |
| 2021 | 3 | 75,69 | 25,23 | 1 |
| 2022 | 9 | 248,12 | 27,57 | 1 |
| 2023 | 3 | 75,67 | 25,22 | 1 |
| 2024 | 3 | 77,77 | 25,92 | 1 |
| totale | 186 | 3.485,95 | 18,74 | 16 |