| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 17 | 222,52 | 13,09 | 2 |
| 2007 | 2 | 47,52 | 23,76 | 1 |
| 2008 | 2 | 36,92 | 18,46 | 1 |
| 2009 | 6 | 184,99 | 30,83 | 2 |
| 2010 | 2 | 42,67 | 21,34 | 2 |
| 2011 | 2 | 38,77 | 19,39 | 1 |
| 2012 | 4 | 72,14 | 18,04 | 2 |
| 2013 | 5 | 68,28 | 13,66 | 2 |
| 2014 | 6 | 86,34 | 14,39 | 2 |
| 2015 | 8 | 132,36 | 16,55 | 2 |
| 2016 | 8 | 169,11 | 21,14 | 2 |
| 2017 | 9 | 153,97 | 17,11 | 2 |
| 2018 | 8 | 136,68 | 17,09 | 2 |
| 2019 | 7 | 116,55 | 16,65 | 2 |
| 2020 | 8 | 71,60 | 8,95 | 2 |
| 2021 | 9 | 84,67 | 9,41 | 2 |
| 2022 | 6 | 67,65 | 11,28 | 2 |
| 2023 | 10 | 109,73 | 10,97 | 2 |
| 2024 | 5 | 22,56 | 4,51 | 2 |
| totale | 124 | 1.865,03 | 15,04 | 35 |