| Anno | Trentino | Alto Adige | Veneto | Nord-Est | Lombardia | Nord | Italia |
| 2021 | 1,74 | 1,63 | 1,40 | 1,36 | 1,39 | 1,36 | 1,20 |
| 2022 | 1,60 | 1,68 | 1,41 | 1,34 | 1,40 | 1,35 | 1,19 |
| 2023 | 1,92 | 1,52 | 1,41 | 1,36 | 1,42 | 1,37 | 1,19 |
| 2024 | 1,84 | 1,61 | 1,43 | 1,43 | 1,47 | 1,43 | 1,20 |
| 2025 | 1,56 | 1,58 | 1,52 | 1,43 | 1,48 | 1,44 | 1,23 |
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