| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 26 | 607,71 | 23,37 | 2 |
| 2007 | 22 | 556,50 | 25,30 | 1 |
| 2008 | 90 | 1.910,81 | 21,23 | 1 |
| 2009 | 11 | 299,32 | 27,21 | 2 |
| 2010 | 145 | 2.743,68 | 18,92 | 5 |
| 2011 | 151 | 2.993,22 | 19,82 | 3 |
| 2012 | 134 | 2.848,28 | 21,26 | 4 |
| 2013 | 200 | 3.351,03 | 16,76 | 3 |
| 2014 | 200 | 4.456,20 | 22,28 | 5 |
| 2015 | 154 | 3.381,85 | 21,96 | 5 |
| 2016 | 154 | 3.093,86 | 20,09 | 6 |
| 2017 | 69 | 1.284,18 | 18,61 | 5 |
| 2018 | 65 | 1.528,12 | 23,51 | 4 |
| 2019 | 153 | 3.048,67 | 19,93 | 4 |
| 2020 | 41 | 691,83 | 16,87 | 3 |
| 2021 | 27 | 434,83 | 16,10 | 2 |
| 2022 | 20 | 556,60 | 27,83 | 2 |
| 2023 | 40 | 843,90 | 21,10 | 5 |
| 2024 | 51 | 1.095,56 | 21,48 | 6 |
| totale | 1.753 | 35.726,15 | 20,38 | 68 |