| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 124 | 3.360,21 | 27,10 | 2 |
| 2007 | 57 | 2.166,96 | 38,02 | 1 |
| 2008 | 49 | 1.461,54 | 29,83 | 1 |
| 2009 | 52 | 1.514,12 | 29,12 | 2 |
| 2010 | 48 | 1.138,94 | 23,73 | 2 |
| 2011 | 42 | 948,93 | 22,59 | 1 |
| 2012 | 40 | 1.034,09 | 25,85 | 2 |
| 2013 | 43 | 1.113,98 | 25,91 | 2 |
| 2014 | 40 | 1.384,46 | 34,61 | 2 |
| 2015 | 41 | 1.497,05 | 36,51 | 2 |
| 2016 | 39 | 1.369,03 | 35,10 | 2 |
| 2017 | 36 | 1.624,72 | 45,13 | 2 |
| 2018 | 35 | 1.307,19 | 37,35 | 2 |
| 2019 | 37 | 1.552,72 | 41,97 | 2 |
| 2020 | 34 | 1.547,50 | 45,51 | 2 |
| 2021 | 36 | 1.469,64 | 40,82 | 2 |
| 2022 | 30 | 1.398,31 | 46,61 | 2 |
| 2023 | 39 | 1.381,46 | 35,42 | 2 |
| 2024 | 45 | 1.847,94 | 41,07 | 2 |
| totale | 867 | 29.118,79 | 33,59 | 35 |