| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 124 | 2.536,92 | 20,46 | 1 |
| 2007 | 1.258 | 27.538,77 | 21,89 | 3 |
| 2008 | 1.605 | 33.980,70 | 21,17 | 5 |
| 2009 | 1.851 | 37.546,18 | 20,28 | 6 |
| 2010 | 1.421 | 30.131,86 | 21,20 | 6 |
| 2011 | 1.717 | 34.910,55 | 20,33 | 5 |
| 2012 | 1.596 | 35.223,35 | 22,07 | 7 |
| 2013 | 2.304 | 44.671,41 | 19,39 | 8 |
| 2014 | 2.139 | 47.581,13 | 22,24 | 8 |
| 2015 | 1.695 | 36.948,04 | 21,80 | 9 |
| 2016 | 789 | 14.649,33 | 18,57 | 8 |
| 2017 | 818 | 14.825,53 | 18,12 | 9 |
| 2018 | 584 | 13.370,51 | 22,89 | 9 |
| 2019 | 704 | 15.097,52 | 21,45 | 10 |
| 2020 | 604 | 14.202,68 | 23,51 | 10 |
| 2021 | 631 | 14.338,58 | 22,72 | 10 |
| 2022 | 684 | 16.122,85 | 23,57 | 12 |
| 2023 | 754 | 16.669,11 | 22,11 | 14 |
| 2024 | 774 | 15.897,87 | 20,54 | 13 |
| totale | 22.052 | 466.242,89 | 21,14 | 153 |