| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 334 | 6.412,67 | 19,20 | 3 |
| 2007 | 38 | 861,60 | 22,67 | 1 |
| 2008 | 41 | 1.138,47 | 27,77 | 1 |
| 2009 | 135 | 3.497,10 | 25,90 | 2 |
| 2010 | 148 | 3.184,46 | 21,52 | 2 |
| 2011 | 64 | 1.581,44 | 24,71 | 1 |
| 2012 | 185 | 4.050,57 | 21,89 | 2 |
| 2013 | 215 | 4.978,02 | 23,15 | 2 |
| 2014 | 427 | 12.700,99 | 29,74 | 3 |
| 2015 | 476 | 13.769,88 | 28,93 | 4 |
| 2016 | 470 | 15.170,05 | 32,28 | 4 |
| 2017 | 465 | 14.530,41 | 31,25 | 4 |
| 2018 | 493 | 17.746,23 | 36,00 | 4 |
| 2019 | 508 | 17.969,09 | 35,37 | 5 |
| 2020 | 475 | 20.652,23 | 43,48 | 5 |
| 2021 | 429 | 19.794,12 | 46,14 | 5 |
| 2022 | 445 | 15.197,90 | 34,15 | 5 |
| 2023 | 447 | 15.664,82 | 35,04 | 5 |
| 2024 | 278 | 6.325,60 | 22,75 | 4 |
| totale | 6.073 | 195.225,65 | 32,15 | 62 |