| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 445 | 6.891,98 | 15,49 | 1 |
| 2007 | 631 | 14.029,10 | 22,23 | 2 |
| 2008 | 668 | 15.007,29 | 22,47 | 2 |
| 2009 | 727 | 16.156,39 | 22,22 | 3 |
| 2010 | 788 | 13.522,85 | 17,16 | 3 |
| 2011 | 705 | 13.312,91 | 18,88 | 2 |
| 2012 | 711 | 12.443,82 | 17,50 | 3 |
| 2013 | 974 | 17.729,37 | 18,20 | 5 |
| 2014 | 913 | 21.443,78 | 23,49 | 4 |
| 2015 | 970 | 22.101,64 | 22,79 | 4 |
| 2016 | 947 | 20.315,24 | 21,45 | 3 |
| 2017 | 966 | 20.908,14 | 21,64 | 4 |
| 2018 | 965 | 20.726,40 | 21,48 | 4 |
| 2019 | 943 | 20.236,68 | 21,46 | 4 |
| 2020 | 919 | 20.152,96 | 21,93 | 4 |
| 2021 | 867 | 18.358,07 | 21,17 | 4 |
| 2022 | 200 | 5.497,58 | 27,49 | 3 |
| 2023 | 434 | 9.917,90 | 22,85 | 3 |
| 2024 | 191 | 4.386,01 | 22,96 | 3 |
| totale | 13.964 | 293.138,11 | 20,99 | 61 |