1976

6.1

1994

7.5

1961

8.0

2012

7.9

1986

6.4

1955

8.0

2010

7.0

1993

7.7

1957

8.1

1973

7.1

1972

7.5

1957

7.9

2019

6.0

1979

7.6

1983

6.6

2014

6.6

1961

7.0

2012

4.9

1945

7.6

2017

7.2