1967

7.3

1929

7.5

1975

7.9

2011

6.9

1985

6.4

2001

8.5

1974

6.5

1966

7.5

2005

6.5

1964

7.2

1989

7.6

1978

6.2

1993

7.3

1988

7.1

2004

6.7

1949

7.7

1977

7.2

1984

6.1

1934

7.8

1970

6.1