| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 985 | 24.252,39 | 24,62 | 3 |
| 2007 | 484 | 16.846,85 | 34,81 | 2 |
| 2008 | 381 | 13.443,65 | 35,29 | 2 |
| 2009 | 605 | 15.367,73 | 25,40 | 3 |
| 2010 | 538 | 12.511,77 | 23,26 | 2 |
| 2011 | 215 | 6.500,14 | 30,23 | 2 |
| 2012 | 517 | 11.708,12 | 22,65 | 3 |
| 2013 | 507 | 10.835,83 | 21,37 | 4 |
| 2014 | 494 | 12.235,04 | 24,77 | 7 |
| 2015 | 504 | 12.466,80 | 24,74 | 6 |
| 2016 | 498 | 12.926,61 | 25,96 | 7 |
| 2017 | 503 | 12.459,92 | 24,77 | 7 |
| 2018 | 377 | 7.735,21 | 20,52 | 6 |
| 2019 | 425 | 9.177,97 | 21,60 | 7 |
| 2020 | 490 | 11.832,48 | 24,15 | 7 |
| 2021 | 508 | 10.446,16 | 20,56 | 8 |
| 2022 | 504 | 10.913,22 | 21,65 | 8 |
| 2023 | 539 | 12.021,53 | 22,30 | 10 |
| 2024 | 535 | 12.766,69 | 23,86 | 10 |
| totale | 9.609 | 236.448,11 | 24,61 | 104 |