| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 29 | 622,37 | 21,46 | 2 |
| 2007 | 116 | 1.962,86 | 16,92 | 2 |
| 2008 | 26 | 471,69 | 18,14 | 1 |
| 2009 | 65 | 1.263,65 | 19,44 | 3 |
| 2010 | 41 | 647,92 | 15,80 | 2 |
| 2011 | 64 | 903,94 | 14,12 | 2 |
| 2012 | 43 | 732,85 | 17,04 | 3 |
| 2013 | 75 | 1.143,23 | 15,24 | 3 |
| 2014 | 78 | 1.462,57 | 18,75 | 3 |
| 2015 | 70 | 1.254,86 | 17,93 | 3 |
| 2016 | 42 | 635,03 | 15,12 | 1 |
| 2016 | 21 | 400,56 | 19,07 | 2 |
| 2017 | 60 | 1.040,96 | 17,35 | 3 |
| 2018 | 95 | 1.976,02 | 20,80 | 4 |
| 2019 | 107 | 2.052,77 | 19,18 | 4 |
| 2020 | 104 | 2.094,91 | 20,14 | 4 |
| 2021 | 100 | 2.094,53 | 20,95 | 4 |
| 2022 | 93 | 1.868,59 | 20,09 | 4 |
| 2023 | 66 | 1.509,36 | 22,87 | 4 |
| 2024 | 53 | 1.175,36 | 22,18 | 4 |
| totale | 1.348 | 25.314,03 | 18,78 | 58 |