| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 82 | 1.077,19 | 13,14 | 2 |
| 2007 | 54 | 985,43 | 18,25 | 1 |
| 2008 | 47 | 851,89 | 18,13 | 2 |
| 2009 | 64 | 1.375,77 | 21,50 | 3 |
| 2010 | 67 | 948,35 | 14,15 | 2 |
| 2011 | 47 | 808,60 | 17,20 | 2 |
| 2012 | 50 | 747,73 | 14,95 | 2 |
| 2013 | 51 | 885,18 | 17,36 | 2 |
| 2014 | 50 | 1.041,20 | 20,82 | 2 |
| 2015 | 10 | 198,86 | 19,89 | 1 |
| 2016 | 50 | 1.268,29 | 25,37 | 2 |
| 2017 | 49 | 1.048,66 | 21,40 | 2 |
| 2018 | 33 | 625,57 | 18,96 | 2 |
| 2019 | 46 | 859,16 | 18,68 | 2 |
| 2020 | 44 | 978,82 | 22,25 | 2 |
| 2021 | 36 | 643,28 | 17,87 | 2 |
| 2022 | 34 | 706,38 | 20,78 | 2 |
| 2023 | 33 | 621,22 | 18,82 | 2 |
| 2024 | 38 | 644,94 | 16,97 | 2 |
| totale | 885 | 16.316,52 | 18,44 | 37 |