1988

6.5

1991

7.1

2019

7.0

2006

6.0

1965

6.4

1943

7.5

1999

5.9

1998

6.5

2012

7.2

2010

7.9

1988

5.5

1992

6.7

1979

6.2

1957

8.1

1985

5.3

1983

7.9

1950

6.8

2003

8.5

1977

7.4

1976

6.7