| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 4 | 29,07 | 7,27 | 1 |
| 2007 | 10 | 255,92 | 25,59 | 1 |
| 2008 | 39 | 971,85 | 24,92 | 1 |
| 2009 | 1 | 37,83 | 37,83 | 1 |
| 2010 | 32 | 722,86 | 22,59 | 2 |
| 2011 | 34 | 692,13 | 20,36 | 1 |
| 2012 | 35 | 694,54 | 19,84 | 2 |
| 2013 | 72 | 1.161,50 | 16,13 | 2 |
| 2014 | 81 | 1.751,34 | 21,62 | 2 |
| 2015 | 71 | 1.607,46 | 22,64 | 2 |
| 2016 | 55 | 1.176,67 | 21,39 | 2 |
| 2017 | 71 | 1.435,81 | 20,22 | 2 |
| 2018 | 61 | 1.260,81 | 20,67 | 2 |
| 2019 | 57 | 1.232,32 | 21,62 | 2 |
| 2020 | 28 | 635,22 | 22,69 | 2 |
| 2021 | 35 | 816,80 | 23,34 | 2 |
| 2022 | 47 | 775,35 | 16,50 | 2 |
| 2023 | 57 | 1.316,56 | 23,10 | 6 |
| 2024 | 58 | 1.417,65 | 24,44 | 6 |
| totale | 848 | 17.991,69 | 21,22 | 41 |