| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 87 | 1.421,87 | 16,34 | 2 |
| 2007 | 34 | 878,44 | 25,84 | 1 |
| 2008 | 31 | 721,96 | 23,29 | 1 |
| 2009 | 223 | 5.332,21 | 23,91 | 2 |
| 2010 | 138 | 2.918,54 | 21,15 | 2 |
| 2011 | 73 | 1.665,10 | 22,81 | 1 |
| 2012 | 78 | 1.422,45 | 18,24 | 2 |
| 2013 | 101 | 1.816,27 | 17,98 | 2 |
| 2014 | 99 | 2.256,59 | 22,79 | 2 |
| 2015 | 80 | 1.734,13 | 21,68 | 2 |
| 2016 | 82 | 1.706,92 | 20,82 | 2 |
| 2017 | 71 | 1.628,83 | 22,94 | 2 |
| 2018 | 59 | 1.670,67 | 28,32 | 2 |
| 2019 | 52 | 1.113,07 | 21,41 | 2 |
| 2020 | 54 | 2.010,92 | 37,24 | 2 |
| 2021 | 56 | 1.283,10 | 22,91 | 2 |
| 2022 | 58 | 1.341,09 | 23,12 | 2 |
| 2023 | 57 | 1.390,80 | 24,40 | 2 |
| 2024 | 48 | 1.126,93 | 23,48 | 2 |
| totale | 1.481 | 33.439,89 | 22,58 | 35 |