| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 712 | 17.870,85 | 25,10 | 3 |
| 2007 | 209 | 5.832,53 | 27,91 | 4 |
| 2008 | 624 | 15.649,77 | 25,08 | 5 |
| 2009 | 820 | 20.493,77 | 24,99 | 6 |
| 2010 | 1.009 | 23.255,08 | 23,05 | 7 |
| 2011 | 548 | 12.662,36 | 23,11 | 5 |
| 2012 | 542 | 12.534,58 | 23,13 | 5 |
| 2013 | 594 | 12.462,15 | 20,98 | 6 |
| 2014 | 648 | 15.599,19 | 24,07 | 5 |
| 2015 | 634 | 15.977,29 | 25,20 | 5 |
| 2016 | 605 | 15.461,72 | 25,56 | 5 |
| 2017 | 587 | 15.692,53 | 26,73 | 6 |
| 2018 | 622 | 15.913,36 | 25,58 | 7 |
| 2019 | 614 | 16.095,82 | 26,21 | 7 |
| 2020 | 642 | 18.347,79 | 28,58 | 8 |
| 2021 | 651 | 19.053,41 | 29,27 | 8 |
| 2022 | 638 | 18.321,18 | 28,72 | 9 |
| 2023 | 655 | 19.161,95 | 29,25 | 9 |
| 2024 | 646 | 18.556,48 | 28,73 | 11 |
| totale | 12.000 | 308.941,81 | 25,75 | 121 |