| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 651 | 12.598,97 | 19,35 | 3 |
| 2007 | 531 | 12.436,90 | 23,42 | 2 |
| 2008 | 451 | 10.106,71 | 22,41 | 4 |
| 2009 | 476 | 10.930,91 | 22,96 | 5 |
| 2010 | 498 | 9.084,04 | 18,24 | 5 |
| 2011 | 485 | 8.657,50 | 17,85 | 4 |
| 2012 | 549 | 11.868,09 | 21,62 | 6 |
| 2013 | 460 | 9.870,45 | 21,46 | 5 |
| 2014 | 443 | 12.275,24 | 27,71 | 5 |
| 2015 | 411 | 11.903,41 | 28,96 | 6 |
| 2016 | 424 | 11.436,37 | 26,97 | 6 |
| 2017 | 412 | 11.031,13 | 26,77 | 6 |
| 2018 | 339 | 10.242,18 | 30,21 | 6 |
| 2019 | 374 | 12.103,83 | 32,36 | 6 |
| 2020 | 425 | 13.716,59 | 32,27 | 6 |
| 2021 | 432 | 12.899,90 | 29,86 | 6 |
| 2022 | 411 | 13.016,61 | 31,67 | 7 |
| 2023 | 460 | 16.817,49 | 36,56 | 8 |
| 2024 | 453 | 13.600,27 | 30,02 | 8 |
| totale | 8.685 | 224.596,59 | 25,86 | 104 |