| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 313 | 9.746,60 | 31,14 | 4 |
| 2007 | 270 | 10.373,89 | 38,42 | 3 |
| 2008 | 352 | 13.585,17 | 38,59 | 3 |
| 2009 | 352 | 13.180,48 | 37,44 | 4 |
| 2010 | 556 | 16.371,77 | 29,45 | 4 |
| 2011 | 634 | 15.632,41 | 24,66 | 3 |
| 2012 | 723 | 19.690,49 | 27,23 | 4 |
| 2013 | 734 | 18.870,46 | 25,71 | 4 |
| 2014 | 816 | 24.758,29 | 30,34 | 6 |
| 2015 | 818 | 24.908,62 | 30,45 | 6 |
| 2016 | 882 | 27.916,05 | 31,65 | 7 |
| 2017 | 843 | 26.024,82 | 30,87 | 7 |
| 2018 | 812 | 25.410,21 | 31,29 | 7 |
| 2019 | 858 | 25.831,51 | 30,11 | 7 |
| 2020 | 908 | 28.040,20 | 30,88 | 7 |
| 2021 | 997 | 34.905,75 | 35,01 | 7 |
| 2022 | 974 | 31.668,37 | 32,51 | 6 |
| 2023 | 1.022 | 30.688,57 | 30,03 | 7 |
| 2024 | 964 | 27.383,92 | 28,41 | 8 |
| totale | 13.828 | 424.987,58 | 30,73 | 104 |