| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 815 | 13.878,20 | 17,03 | 3 |
| 2007 | 582 | 10.941,46 | 18,80 | 2 |
| 2008 | 575 | 11.337,89 | 19,72 | 2 |
| 2009 | 635 | 12.315,27 | 19,39 | 3 |
| 2010 | 601 | 11.032,45 | 18,36 | 3 |
| 2011 | 858 | 14.819,23 | 17,27 | 2 |
| 2012 | 777 | 14.807,08 | 19,06 | 3 |
| 2013 | 901 | 15.363,26 | 17,05 | 3 |
| 2014 | 935 | 20.256,79 | 21,67 | 3 |
| 2015 | 929 | 19.531,44 | 21,02 | 3 |
| 2016 | 943 | 20.791,73 | 22,05 | 4 |
| 2017 | 923 | 19.885,20 | 21,54 | 5 |
| 2018 | 941 | 20.042,58 | 21,30 | 5 |
| 2019 | 974 | 19.990,81 | 20,52 | 5 |
| 2020 | 940 | 18.934,66 | 20,14 | 6 |
| 2021 | 895 | 17.387,48 | 19,43 | 5 |
| 2022 | 868 | 16.809,86 | 19,37 | 5 |
| 2023 | 869 | 16.251,76 | 18,70 | 5 |
| 2024 | 896 | 16.616,82 | 18,55 | 5 |
| totale | 15.857 | 310.993,97 | 19,61 | 72 |