| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 325 | 9.250,66 | 28,46 | 4 |
| 2007 | 159 | 5.360,57 | 33,71 | 2 |
| 2008 | 152 | 5.760,07 | 37,90 | 1 |
| 2009 | 195 | 5.215,45 | 26,75 | 2 |
| 2010 | 242 | 5.926,45 | 24,49 | 3 |
| 2011 | 187 | 4.250,45 | 22,73 | 2 |
| 2012 | 157 | 5.105,75 | 32,52 | 3 |
| 2013 | 173 | 4.381,46 | 25,33 | 3 |
| 2014 | 139 | 4.972,44 | 35,77 | 3 |
| 2015 | 138 | 4.890,76 | 35,44 | 3 |
| 2016 | 140 | 4.954,53 | 35,39 | 3 |
| 2017 | 1.078 | 28.330,19 | 26,28 | 4 |
| 2018 | 949 | 26.505,78 | 27,93 | 4 |
| 2019 | 1.033 | 30.335,34 | 29,37 | 4 |
| 2020 | 949 | 30.329,89 | 31,96 | 4 |
| 2021 | 1.001 | 29.705,85 | 29,68 | 4 |
| 2022 | 975 | 31.883,82 | 32,70 | 2 |
| 2023 | 956 | 28.234,62 | 29,53 | 3 |
| 2024 | 915 | 27.563,91 | 30,12 | 3 |
| totale | 9.863 | 292.957,99 | 29,70 | 57 |