1970

7.0

1982

7.3

1965

7.4

1984

6.2

2001

7.0

1974

6.5

1922

6.2

2011

8.0

1989

7.8

1961

7.7

1968

6.9

1969

7.6

1957

8.1

1927

8.1

1985

6.9

1955

6.0

1959

6.3

1999

7.5

1982

6.1

2006

8.0