| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 10 | 155,66 | 15,57 | 2 |
| 2007 | 5 | 77,59 | 15,52 | 1 |
| 2008 | 26 | 576,64 | 22,18 | 2 |
| 2009 | 5 | 61,23 | 12,25 | 2 |
| 2010 | 4 | 65,40 | 16,35 | 2 |
| 2011 | 23 | 475,16 | 20,66 | 2 |
| 2012 | 2 | 5,42 | 2,71 | 1 |
| 2013 | 17 | 222,47 | 13,09 | 2 |
| 2014 | 3 | 30,09 | 10,03 | 1 |
| 2015 | 12 | 122,51 | 10,21 | 2 |
| 2016 | 13 | 161,16 | 12,40 | 2 |
| 2017 | 13 | 153,69 | 11,82 | 2 |
| 2018 | 9 | 101,83 | 11,31 | 2 |
| 2019 | 10 | 95,23 | 9,52 | 2 |
| 2020 | 14 | 253,62 | 18,12 | 2 |
| 2021 | 8 | 103,85 | 12,98 | 2 |
| 2022 | 5 | 70,71 | 14,14 | 1 |
| 2023 | 2 | 44,59 | 22,30 | 1 |
| 2024 | 5 | 73,57 | 14,71 | 1 |
| totale | 186 | 2.850,42 | 15,32 | 32 |