| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 82 | 1.307,59 | 15,95 | 1 |
| 2007 | 77 | 1.757,09 | 22,82 | 1 |
| 2008 | 34 | 810,20 | 23,83 | 2 |
| 2009 | 45 | 1.171,00 | 26,02 | 2 |
| 2010 | 33 | 748,12 | 22,67 | 2 |
| 2012 | 12 | 175,75 | 14,65 | 1 |
| 2013 | 72 | 1.322,59 | 18,37 | 2 |
| 2014 | 22 | 396,96 | 18,04 | 1 |
| 2015 | 73 | 1.654,62 | 22,67 | 2 |
| 2016 | 71 | 1.562,53 | 22,01 | 2 |
| 2017 | 74 | 1.793,02 | 24,23 | 2 |
| 2018 | 66 | 1.923,44 | 29,14 | 2 |
| 2019 | 82 | 1.986,37 | 24,22 | 2 |
| 2020 | 83 | 2.282,13 | 27,50 | 2 |
| 2021 | 119 | 3.018,84 | 25,37 | 3 |
| 2022 | 129 | 3.117,16 | 24,16 | 3 |
| 2023 | 122 | 2.794,77 | 22,91 | 3 |
| 2024 | 138 | 2.681,39 | 19,43 | 3 |
| totale | 1.334 | 30.503,57 | 22,87 | 36 |