| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 6 | 109,39 | 18,23 | 1 |
| 2007 | 3 | 41,17 | 13,72 | 1 |
| 2008 | 3 | 53,55 | 17,85 | 1 |
| 2009 | 0 | 0,00 | 0,00 | 1 |
| 2010 | 3 | 29,66 | 9,89 | 2 |
| 2011 | 2 | 13,13 | 6,57 | 1 |
| 2012 | 26 | 1.260,15 | 48,47 | 2 |
| 2013 | 22 | 658,17 | 29,92 | 3 |
| 2014 | 36 | 1.124,20 | 31,23 | 3 |
| 2015 | 21 | 857,67 | 40,84 | 3 |
| 2016 | 9 | 153,71 | 17,08 | 3 |
| 2017 | 5 | 103,82 | 20,76 | 2 |
| 2018 | 4 | 59,61 | 14,90 | 3 |
| 2019 | 3 | 227,58 | 75,86 | 2 |
| 2020 | 6 | 464,84 | 77,47 | 2 |
| 2021 | 5 | 11,46 | 2,29 | 3 |
| 2022 | 3 | 17,17 | 5,72 | 1 |
| 2023 | 3 | 181,29 | 60,43 | 3 |
| 2024 | 10 | 318,29 | 31,83 | 3 |
| totale | 170 | 5.684,86 | 33,44 | 40 |