| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 549 | 16.270,27 | 29,64 | 2 |
| 2007 | 484 | 16.801,07 | 34,71 | 1 |
| 2008 | 493 | 18.770,28 | 38,07 | 1 |
| 2009 | 560 | 21.532,47 | 38,45 | 2 |
| 2010 | 571 | 19.499,95 | 34,15 | 3 |
| 2011 | 563 | 19.456,81 | 34,56 | 2 |
| 2012 | 707 | 20.913,22 | 29,58 | 3 |
| 2013 | 693 | 19.076,11 | 27,53 | 3 |
| 2014 | 651 | 22.964,43 | 35,28 | 3 |
| 2015 | 659 | 23.533,20 | 35,71 | 3 |
| 2016 | 571 | 20.815,67 | 36,45 | 3 |
| 2017 | 559 | 19.746,51 | 35,32 | 3 |
| 2018 | 553 | 20.604,44 | 37,26 | 4 |
| 2019 | 585 | 22.226,95 | 37,99 | 4 |
| 2020 | 535 | 18.412,20 | 34,42 | 4 |
| 2021 | 560 | 18.603,54 | 33,22 | 4 |
| 2022 | 491 | 23.517,22 | 47,90 | 3 |
| 2023 | 455 | 20.156,27 | 44,30 | 3 |
| 2024 | 490 | 18.443,85 | 37,64 | 3 |
| totale | 10.729 | 381.344,46 | 35,54 | 54 |