| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 111 | 1.591,74 | 14,34 | 1 |
| 2007 | 21 | 401,48 | 19,12 | 1 |
| 2008 | 5 | 77,52 | 15,50 | 1 |
| 2009 | 20 | 294,50 | 14,73 | 2 |
| 2010 | 26 | 568,99 | 21,88 | 1 |
| 2011 | 9 | 166,35 | 18,48 | 1 |
| 2012 | 60 | 959,44 | 15,99 | 2 |
| 2013 | 40 | 610,63 | 15,27 | 2 |
| 2014 | 75 | 1.239,38 | 16,53 | 2 |
| 2015 | 151 | 2.703,01 | 17,90 | 2 |
| 2016 | 26 | 701,08 | 26,96 | 2 |
| 2017 | 26 | 573,55 | 22,06 | 2 |
| 2018 | 20 | 501,16 | 25,06 | 2 |
| 2019 | 22 | 570,82 | 25,95 | 2 |
| 2020 | 16 | 372,00 | 23,25 | 2 |
| 2021 | 13 | 332,45 | 25,57 | 2 |
| 2022 | 14 | 370,66 | 26,48 | 2 |
| 2023 | 14 | 314,22 | 22,44 | 3 |
| 2024 | 138 | 2.127,79 | 15,42 | 4 |
| totale | 807 | 14.476,77 | 17,94 | 36 |