| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 1.121 | 34.923,77 | 31,15 | 2 |
| 2007 | 891 | 34.263,17 | 38,45 | 1 |
| 2008 | 879 | 37.014,69 | 42,11 | 1 |
| 2009 | 773 | 29.981,18 | 38,79 | 2 |
| 2010 | 776 | 25.151,54 | 32,41 | 2 |
| 2011 | 761 | 24.455,97 | 32,14 | 1 |
| 2012 | 722 | 23.659,05 | 32,77 | 3 |
| 2013 | 677 | 22.417,83 | 33,11 | 3 |
| 2014 | 728 | 28.873,80 | 39,66 | 3 |
| 2015 | 532 | 22.182,75 | 41,70 | 2 |
| 2016 | 569 | 20.634,62 | 36,26 | 3 |
| 2017 | 549 | 20.820,77 | 37,92 | 3 |
| 2018 | 545 | 20.004,99 | 36,71 | 4 |
| 2019 | 551 | 19.409,28 | 35,23 | 4 |
| 2020 | 543 | 19.306,05 | 35,55 | 4 |
| 2021 | 587 | 20.168,29 | 34,36 | 4 |
| 2022 | 609 | 22.888,04 | 37,58 | 4 |
| 2023 | 284 | 12.419,09 | 43,73 | 2 |
| 2024 | 301 | 12.399,90 | 41,20 | 2 |
| totale | 12.398 | 450.974,78 | 36,37 | 50 |