1968

6.9

1985

6.1

2024

7.4

2023

6.4

1962

7.9

1946

5.9

1959

8.1

2001

6.9

1978

8.0

1989

5.4

1993

6.1

1982

5.9

1987

6.0

2017

6.5

2021

6.2

1989

5.7

1952

8.3

1918

7.3

2007

7.0