| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 70 | 2.903,04 | 41,47 | 1 |
| 2009 | 35 | 3.683,22 | 105,23 | 2 |
| 2010 | 27 | 1.397,70 | 51,77 | 2 |
| 2011 | 18 | 1.333,76 | 74,10 | 1 |
| 2012 | 27 | 1.074,34 | 39,79 | 2 |
| 2013 | 34 | 1.362,80 | 40,08 | 2 |
| 2014 | 41 | 1.943,03 | 47,39 | 2 |
| 2015 | 40 | 1.843,05 | 46,08 | 2 |
| 2016 | 35 | 1.585,70 | 45,31 | 2 |
| 2017 | 55 | 2.493,85 | 45,34 | 3 |
| 2018 | 51 | 2.432,66 | 47,70 | 3 |
| 2019 | 46 | 2.325,86 | 50,56 | 3 |
| 2020 | 47 | 2.000,50 | 42,56 | 3 |
| 2021 | 45 | 1.880,09 | 41,78 | 3 |
| 2022 | 56 | 2.172,60 | 38,80 | 3 |
| 2023 | 78 | 3.387,17 | 43,43 | 4 |
| 2024 | 136 | 4.973,44 | 36,57 | 6 |
| totale | 841 | 38.792,81 | 46,13 | 44 |