| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.291 | 26.373,10 | 20,43 | 3 |
| 2007 | 1.222 | 27.094,02 | 22,17 | 3 |
| 2008 | 1.139 | 20.381,65 | 17,89 | 3 |
| 2009 | 1.128 | 19.134,24 | 16,96 | 3 |
| 2010 | 1.084 | 15.787,96 | 14,56 | 4 |
| 2011 | 1.055 | 15.159,39 | 14,37 | 3 |
| 2012 | 1.107 | 16.941,64 | 15,30 | 4 |
| 2013 | 1.097 | 15.915,67 | 14,51 | 5 |
| 2014 | 1.063 | 19.278,69 | 18,14 | 5 |
| 2015 | 1.038 | 18.748,52 | 18,06 | 5 |
| 2016 | 963 | 16.889,06 | 17,54 | 5 |
| 2017 | 889 | 15.902,19 | 17,89 | 5 |
| 2018 | 837 | 14.922,81 | 17,83 | 7 |
| 2019 | 802 | 14.466,46 | 18,04 | 7 |
| 2020 | 835 | 16.567,15 | 19,84 | 8 |
| 2021 | 830 | 17.648,58 | 21,26 | 8 |
| 2022 | 778 | 17.400,13 | 22,37 | 8 |
| 2023 | 794 | 18.488,41 | 23,29 | 10 |
| 2024 | 738 | 18.025,24 | 24,42 | 12 |
| totale | 18.690 | 345.124,91 | 18,47 | 108 |