| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 53 | 799,98 | 15,09 | 1 |
| 2008 | 55 | 844,38 | 15,35 | 2 |
| 2009 | 31 | 580,22 | 18,72 | 2 |
| 2010 | 71 | 1.853,36 | 26,10 | 3 |
| 2011 | 60 | 1.120,69 | 18,68 | 2 |
| 2012 | 69 | 1.432,00 | 20,75 | 4 |
| 2013 | 60 | 918,05 | 15,30 | 2 |
| 2014 | 62 | 1.170,08 | 18,87 | 2 |
| 2015 | 7 | 130,24 | 18,61 | 1 |
| 2016 | 57 | 1.340,59 | 23,52 | 2 |
| 2017 | 45 | 987,04 | 21,93 | 2 |
| 2018 | 54 | 1.127,67 | 20,88 | 3 |
| 2019 | 28 | 660,03 | 23,57 | 2 |
| 2020 | 30 | 634,24 | 21,14 | 2 |
| 2021 | 26 | 460,66 | 17,72 | 2 |
| 2022 | 25 | 481,77 | 19,27 | 2 |
| 2023 | 32 | 590,14 | 18,44 | 2 |
| 2024 | 42 | 711,19 | 16,93 | 4 |
| totale | 807 | 15.842,33 | 19,63 | 40 |