| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 9 | 96,84 | 10,76 | 1 |
| 2009 | 6 | 109,33 | 18,22 | 1 |
| 2010 | 2 | 29,17 | 14,59 | 1 |
| 2012 | 2 | 23,02 | 11,51 | 1 |
| 2013 | 1 | 18,57 | 18,57 | 1 |
| 2014 | 2 | 38,61 | 19,31 | 1 |
| 2015 | 2 | 29,88 | 14,94 | 1 |
| 2016 | 3 | 78,83 | 26,28 | 1 |
| 2017 | 1 | 31,75 | 31,75 | 1 |
| 2018 | 3 | 80,03 | 26,68 | 1 |
| 2019 | 2 | 49,66 | 24,83 | 1 |
| 2020 | 208 | 4.302,19 | 20,68 | 2 |
| 2021 | 186 | 4.290,67 | 23,07 | 2 |
| 2022 | 212 | 5.789,67 | 27,31 | 2 |
| 2023 | 183 | 4.785,82 | 26,15 | 2 |
| 2024 | 170 | 4.547,15 | 26,75 | 2 |
| totale | 992 | 24.301,19 | 24,50 | 21 |