1967

6.6

1932

5.5

1960

7.5

2004

6.9

2003

7.2

1964

6.6

1965

6.1

1976

6.0

2007

3.1

1979

6.1

1991

5.4

1960

5.0

1941

5.8

1987

6.1

1985

7.0

2001

6.0

1948

4.7

1947

0.0

1967

6.8

1968

6.2