1983

7.0

1925

7.3

1990

6.1

1965

6.5

1982

7.6

2006

6.5

2009

8.8

1959

8.1

1969

6.8

1982

6.5

2006

7.3

1981

6.6

1961

7.4

1925

7.5

1958

8.0

1933

7.2

1979

7.7

1974

6.7

1958

7.5

2003

6.2