1998

6.2

1976

5.5

1956

6.1

1981

6.0

2024

6.5

2007

6.1

1994

6.1

1964

7.0

1962

7.4

1985

4.3

2022

5.7

2023

7.2

2024

6.8

2020

5.4

1976

6.5

1952

6.7

1986

6.1

1976

6.5

2025

6.4