1972

7.9

1982

7.2

1965

7.4

1966

6.6

1992

7.4

1982

7.3

1984

6.2

1928

7.8

1990

6.3

1927

8.1

1975

7.5

1955

8.0

2008

7.3

1944

7.4

1998

7.1

1970

7.0

1989

6.7

1989

7.8

1969

7.6

1999

7.5