| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.064 | 30.166,12 | 28,35 | 5 |
| 2007 | 381 | 12.354,71 | 32,43 | 4 |
| 2008 | 504 | 16.661,12 | 33,06 | 7 |
| 2009 | 673 | 25.291,80 | 37,58 | 9 |
| 2010 | 596 | 18.433,24 | 30,93 | 10 |
| 2011 | 727 | 20.478,74 | 28,17 | 9 |
| 2012 | 802 | 24.484,83 | 30,53 | 10 |
| 2013 | 827 | 24.431,23 | 29,54 | 9 |
| 2014 | 875 | 33.581,32 | 38,38 | 10 |
| 2015 | 802 | 30.514,29 | 38,05 | 11 |
| 2016 | 811 | 29.715,21 | 36,64 | 11 |
| 2017 | 821 | 29.342,98 | 35,74 | 11 |
| 2018 | 827 | 29.182,53 | 35,29 | 13 |
| 2019 | 863 | 31.688,72 | 36,72 | 12 |
| 2020 | 865 | 32.668,91 | 37,77 | 14 |
| 2021 | 1.209 | 41.225,47 | 34,10 | 17 |
| 2022 | 1.024 | 36.042,83 | 35,20 | 15 |
| 2023 | 992 | 34.228,81 | 34,50 | 16 |
| 2024 | 1.136 | 36.777,98 | 32,37 | 18 |
| totale | 15.799 | 537.270,84 | 34,01 | 211 |