| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 48 | 619,02 | 12,90 | 1 |
| 2009 | 1 | 36,66 | 36,66 | 1 |
| 2010 | 5 | 25,72 | 5,14 | 2 |
| 2012 | 40 | 420,50 | 10,51 | 3 |
| 2013 | 46 | 411,70 | 8,95 | 3 |
| 2014 | 52 | 613,33 | 11,79 | 2 |
| 2015 | 12 | 217,68 | 18,14 | 2 |
| 2016 | 9 | 188,69 | 20,97 | 2 |
| 2017 | 8 | 178,20 | 22,28 | 1 |
| 2018 | 10 | 132,05 | 13,21 | 2 |
| 2019 | 18 | 234,06 | 13,00 | 2 |
| 2020 | 16 | 175,39 | 10,96 | 2 |
| 2021 | 13 | 160,00 | 12,31 | 3 |
| 2022 | 12 | 154,26 | 12,86 | 2 |
| 2023 | 13 | 139,21 | 10,71 | 2 |
| 2024 | 17 | 209,48 | 12,32 | 2 |
| totale | 320 | 3.915,95 | 12,24 | 32 |