| 2023 % |
2022 % |
2021 % |
2020 % |
2019 % |
2018 % |
2017 % |
2016 % |
2015 % |
2014 % |
|
|---|---|---|---|---|---|---|---|---|---|---|
| Gradi di performance | 5.3 | -8.1 | 9.6 | 4.2 | 11.9 | -1.3 | 7.1 | 4.4 | 1.2 | 7.2 |
| Gradi di copertura | 117.3 | 114.5 | 123.2 | 117.3 | 109.1 | 105.3 | 107.5 | 103.1 | 104.4 | 107.5 |