| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 514 | 14.157,77 | 27,54 | 2 |
| 2007 | 555 | 18.574,16 | 33,47 | 1 |
| 2008 | 846 | 24.268,48 | 28,69 | 1 |
| 2009 | 898 | 24.333,67 | 27,10 | 2 |
| 2010 | 936 | 21.271,08 | 22,73 | 2 |
| 2011 | 918 | 20.708,27 | 22,56 | 1 |
| 2012 | 1.041 | 24.125,33 | 23,18 | 2 |
| 2013 | 1.042 | 21.844,06 | 20,96 | 2 |
| 2014 | 1.102 | 29.401,73 | 26,68 | 2 |
| 2015 | 1.057 | 29.873,96 | 28,26 | 2 |
| 2016 | 1.003 | 30.297,55 | 30,21 | 2 |
| 2017 | 922 | 28.286,94 | 30,68 | 2 |
| 2018 | 834 | 25.157,43 | 30,16 | 2 |
| 2019 | 789 | 20.824,12 | 26,39 | 2 |
| 2020 | 655 | 19.715,11 | 30,10 | 2 |
| 2021 | 580 | 16.414,96 | 28,30 | 2 |
| 2022 | 506 | 15.638,21 | 30,91 | 2 |
| 2023 | 479 | 14.286,91 | 29,83 | 2 |
| 2024 | 449 | 13.538,29 | 30,15 | 2 |
| totale | 15.126 | 412.718,03 | 27,29 | 35 |