| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 594 | 15.519,37 | 26,13 | 2 |
| 2007 | 358 | 11.287,67 | 31,53 | 3 |
| 2008 | 438 | 12.479,11 | 28,49 | 3 |
| 2009 | 538 | 15.774,23 | 29,32 | 4 |
| 2010 | 556 | 13.988,67 | 25,16 | 5 |
| 2011 | 386 | 10.431,12 | 27,02 | 4 |
| 2012 | 647 | 16.776,48 | 25,93 | 9 |
| 2013 | 612 | 15.768,06 | 25,76 | 5 |
| 2014 | 578 | 19.142,21 | 33,12 | 7 |
| 2015 | 497 | 16.051,60 | 32,30 | 5 |
| 2016 | 484 | 15.715,78 | 32,47 | 5 |
| 2017 | 455 | 14.624,66 | 32,14 | 5 |
| 2018 | 458 | 17.734,17 | 38,72 | 7 |
| 2019 | 622 | 22.123,43 | 35,57 | 9 |
| 2020 | 574 | 20.469,82 | 35,66 | 9 |
| 2021 | 480 | 17.194,44 | 35,82 | 8 |
| 2022 | 317 | 10.358,05 | 32,68 | 5 |
| 2023 | 411 | 12.641,45 | 30,76 | 7 |
| 2024 | 440 | 13.863,16 | 31,51 | 10 |
| totale | 9.445 | 291.943,48 | 30,91 | 112 |