| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 941 | 22.393,42 | 23,80 | 3 |
| 2007 | 856 | 24.069,80 | 28,12 | 2 |
| 2008 | 915 | 22.787,62 | 24,90 | 2 |
| 2009 | 884 | 23.426,06 | 26,50 | 3 |
| 2010 | 875 | 20.265,57 | 23,16 | 4 |
| 2011 | 750 | 17.114,63 | 22,82 | 1 |
| 2012 | 738 | 18.715,91 | 25,36 | 3 |
| 2013 | 789 | 18.290,86 | 23,18 | 3 |
| 2014 | 1.686 | 44.496,39 | 26,39 | 3 |
| 2015 | 1.309 | 36.662,25 | 28,01 | 3 |
| 2016 | 1.189 | 32.194,89 | 27,08 | 3 |
| 2017 | 1.095 | 30.605,22 | 27,95 | 4 |
| 2018 | 1.011 | 30.539,34 | 30,21 | 4 |
| 2019 | 929 | 28.945,79 | 31,16 | 4 |
| 2020 | 943 | 31.025,73 | 32,90 | 6 |
| 2021 | 845 | 25.611,24 | 30,31 | 7 |
| 2022 | 812 | 26.846,85 | 33,06 | 7 |
| 2023 | 792 | 25.127,50 | 31,73 | 7 |
| 2024 | 768 | 23.881,23 | 31,10 | 8 |
| totale | 18.127 | 503.000,30 | 27,75 | 77 |