| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 24 | 626,45 | 26,10 | 1 |
| 2008 | 17 | 264,48 | 15,56 | 1 |
| 2009 | 8 | 125,59 | 15,70 | 1 |
| 2010 | 7 | 137,85 | 19,69 | 1 |
| 2012 | 79 | 2.212,24 | 28,00 | 2 |
| 2013 | 69 | 1.760,28 | 25,51 | 2 |
| 2014 | 74 | 2.168,85 | 29,31 | 2 |
| 2015 | 72 | 2.055,17 | 28,54 | 2 |
| 2016 | 72 | 2.684,14 | 37,28 | 2 |
| 2017 | 109 | 2.982,29 | 27,36 | 2 |
| 2018 | 89 | 3.219,52 | 36,17 | 2 |
| 2019 | 5 | 113,05 | 22,61 | 1 |
| 2020 | 80 | 3.111,73 | 38,90 | 2 |
| 2021 | 57 | 2.619,58 | 45,96 | 2 |
| 2022 | 55 | 2.440,44 | 44,37 | 2 |
| 2023 | 63 | 2.981,68 | 47,33 | 3 |
| 2024 | 159 | 6.345,96 | 39,91 | 5 |
| totale | 1.039 | 35.849,30 | 34,50 | 33 |