| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 760 | 17.600,62 | 23,16 | 3 |
| 2007 | 753 | 24.025,57 | 31,91 | 2 |
| 2008 | 841 | 25.665,04 | 30,52 | 2 |
| 2009 | 835 | 26.146,96 | 31,31 | 3 |
| 2010 | 773 | 20.070,45 | 25,96 | 3 |
| 2011 | 752 | 20.008,10 | 26,61 | 2 |
| 2012 | 796 | 21.991,66 | 27,63 | 4 |
| 2013 | 686 | 18.611,69 | 27,13 | 3 |
| 2014 | 681 | 22.291,47 | 32,73 | 4 |
| 2015 | 692 | 22.537,16 | 32,57 | 4 |
| 2016 | 739 | 21.778,42 | 29,47 | 4 |
| 2017 | 737 | 21.029,11 | 28,53 | 4 |
| 2018 | 725 | 19.112,93 | 26,36 | 4 |
| 2019 | 713 | 17.992,75 | 25,24 | 4 |
| 2020 | 693 | 17.712,07 | 25,56 | 4 |
| 2021 | 624 | 16.278,88 | 26,09 | 5 |
| 2022 | 590 | 16.031,03 | 27,17 | 5 |
| 2023 | 608 | 16.201,73 | 26,65 | 5 |
| 2024 | 635 | 17.693,46 | 27,86 | 5 |
| totale | 13.633 | 382.779,10 | 28,08 | 70 |