1979

6.2

1927

7.5

2016

6.1

1973

8.0

2008

7.3

1993

6.5

1953

8.2

1989

6.0

1970

7.4

1969

7.8

2019

6.1

1935

6.5

1983

6.4

1963

6.8

1966

6.6

1999

5.1

1970

6.1

1993

6.2

1954

7.3

1961

6.9