| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 43 | 1.235,24 | 28,73 | 1 |
| 2008 | 305 | 8.614,16 | 28,24 | 1 |
| 2009 | 126 | 4.776,05 | 37,91 | 2 |
| 2010 | 139 | 4.039,99 | 29,06 | 2 |
| 2012 | 108 | 4.260,00 | 39,44 | 2 |
| 2013 | 201 | 5.319,18 | 26,46 | 4 |
| 2014 | 102 | 2.185,02 | 21,42 | 2 |
| 2015 | 344 | 8.869,98 | 25,78 | 5 |
| 2016 | 463 | 11.189,45 | 24,17 | 4 |
| 2017 | 619 | 13.824,22 | 22,33 | 4 |
| 2018 | 735 | 15.654,61 | 21,30 | 4 |
| 2019 | 576 | 12.633,57 | 21,93 | 3 |
| 2020 | 834 | 19.410,91 | 23,27 | 4 |
| 2021 | 720 | 14.000,49 | 19,45 | 4 |
| 2022 | 790 | 16.810,30 | 21,28 | 4 |
| 2023 | 926 | 18.708,04 | 20,20 | 4 |
| 2024 | 1.033 | 20.418,48 | 19,77 | 4 |
| totale | 8.064 | 181.949,69 | 22,56 | 54 |