1962

8.0

1997

7.2

1961

8.0

1957

7.8

1998

8.2

1937

7.9

1982

7.6

1959

8.2

2014

6.2

1953

5.6

2001

7.4

2010

7.0

1993

8.6

1957

7.2

1981

8.1

2011

5.3

2008

0.0

1979

6.9

2001

6.9

1987

7.6