| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 152 | 2.533,28 | 16,67 | 3 |
| 2007 | 110 | 2.480,54 | 22,55 | 2 |
| 2008 | 63 | 1.591,59 | 25,26 | 1 |
| 2009 | 56 | 1.335,05 | 23,84 | 2 |
| 2010 | 110 | 2.054,35 | 18,68 | 3 |
| 2011 | 84 | 1.469,77 | 17,50 | 2 |
| 2012 | 100 | 1.777,17 | 17,77 | 3 |
| 2013 | 89 | 1.730,81 | 19,45 | 3 |
| 2014 | 81 | 2.009,18 | 24,80 | 3 |
| 2015 | 78 | 1.911,82 | 24,51 | 3 |
| 2016 | 91 | 2.193,94 | 24,11 | 3 |
| 2017 | 92 | 2.192,63 | 23,83 | 3 |
| 2018 | 93 | 2.051,68 | 22,06 | 3 |
| 2019 | 100 | 2.050,85 | 20,51 | 3 |
| 2020 | 102 | 2.210,69 | 21,67 | 3 |
| 2021 | 93 | 2.029,48 | 21,82 | 3 |
| 2022 | 99 | 2.364,30 | 23,88 | 3 |
| 2023 | 92 | 1.865,09 | 20,27 | 4 |
| 2024 | 104 | 2.302,58 | 22,14 | 4 |
| totale | 1.789 | 38.154,80 | 21,33 | 54 |