| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 71 | 1.002,67 | 14,12 | 1 |
| 2007 | 602 | 10.394,41 | 17,27 | 1 |
| 2008 | 597 | 10.043,44 | 16,82 | 1 |
| 2009 | 650 | 10.372,81 | 15,96 | 2 |
| 2010 | 639 | 10.154,24 | 15,89 | 3 |
| 2011 | 680 | 11.168,65 | 16,42 | 2 |
| 2012 | 674 | 11.609,81 | 17,23 | 3 |
| 2013 | 585 | 10.073,86 | 17,22 | 3 |
| 2014 | 421 | 8.194,29 | 19,46 | 2 |
| 2015 | 377 | 8.012,20 | 21,25 | 2 |
| 2016 | 359 | 7.978,47 | 22,22 | 2 |
| 2017 | 308 | 7.217,95 | 23,43 | 2 |
| 2018 | 498 | 11.429,01 | 22,95 | 2 |
| 2019 | 496 | 12.162,34 | 24,52 | 2 |
| 2020 | 450 | 12.586,97 | 27,97 | 2 |
| 2021 | 401 | 10.251,14 | 25,56 | 2 |
| 2022 | 368 | 10.163,41 | 27,62 | 2 |
| 2023 | 382 | 9.623,43 | 25,19 | 2 |
| 2024 | 338 | 8.715,36 | 25,79 | 2 |
| totale | 8.896 | 181.154,46 | 20,36 | 38 |