| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 148 | 3.359,36 | 22,70 | 2 |
| 2009 | 94 | 2.381,78 | 25,34 | 2 |
| 2010 | 130 | 2.809,74 | 21,61 | 2 |
| 2011 | 88 | 1.790,74 | 20,35 | 1 |
| 2012 | 96 | 1.771,82 | 18,46 | 2 |
| 2013 | 90 | 1.650,05 | 18,33 | 2 |
| 2014 | 89 | 2.627,92 | 29,53 | 2 |
| 2015 | 90 | 2.172,39 | 24,14 | 2 |
| 2016 | 86 | 2.040,91 | 23,73 | 2 |
| 2017 | 79 | 1.976,73 | 25,02 | 2 |
| 2018 | 78 | 1.796,54 | 23,03 | 2 |
| 2019 | 73 | 1.471,45 | 20,16 | 2 |
| 2020 | 63 | 1.384,47 | 21,98 | 2 |
| 2021 | 60 | 1.305,31 | 21,76 | 2 |
| 2022 | 56 | 1.490,30 | 26,61 | 2 |
| 2023 | 55 | 1.537,90 | 27,96 | 2 |
| 2024 | 47 | 1.307,69 | 27,82 | 2 |
| totale | 1.422 | 32.875,10 | 23,12 | 33 |