2003

6.1

1974

6.2

1971

5.5

1993

7.5

2023

5.8

1960

7.6

1958

6.1

1935

7.0

1991

3.7

1946

6.7

1996

6.5

2017

7.5

1997

5.5

1997

6.4

2009

5.2

1968

5.8

1947

6.3

1987

6.0

1962

4.7

1943

6.9