| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 89 | 1.757,39 | 19,75 | 2 |
| 2007 | 27 | 810,61 | 30,02 | 1 |
| 2008 | 29 | 1.679,42 | 57,91 | 1 |
| 2009 | 44 | 1.871,66 | 42,54 | 2 |
| 2010 | 58 | 2.410,04 | 41,55 | 2 |
| 2011 | 48 | 2.422,92 | 50,48 | 1 |
| 2012 | 54 | 2.524,90 | 46,76 | 2 |
| 2013 | 49 | 2.453,71 | 50,08 | 2 |
| 2014 | 48 | 2.866,23 | 59,71 | 2 |
| 2015 | 35 | 2.034,54 | 58,13 | 2 |
| 2016 | 11 | 189,68 | 17,24 | 1 |
| 2017 | 8 | 186,91 | 23,36 | 1 |
| 2018 | 6 | 89,14 | 14,86 | 1 |
| 2019 | 11 | 329,10 | 29,92 | 1 |
| 2020 | 12 | 355,01 | 29,58 | 1 |
| 2021 | 10 | 402,62 | 40,26 | 1 |
| 2022 | 29 | 756,23 | 26,08 | 2 |
| 2023 | 46 | 1.332,45 | 28,97 | 3 |
| 2024 | 57 | 1.623,04 | 28,47 | 3 |
| totale | 671 | 26.095,60 | 38,89 | 31 |