1979

6.7

1968

6.6

2016

5.9

1980

6.1

1941

7.3

1965

8.0

1993

6.9

2005

6.2

1987

7.1

2020

6.3

1976

6.6

2003

6.3

1972

6.9

1987

7.6

1945

7.6

1943

7.6

1961

7.3

1961

7.0

1967

8.1

2008

5.9