1984

6.0

2000

5.8

2007

6.1

1967

6.6

1969

6.6

1977

6.8

2014

3.8

1985

6.7

1991

7.3

1987

6.5

1993

6.4

2002

6.7

1988

6.6

1997

6.6

1944

0.0

1987

6.6

1997

6.8

1995

6.3

2024

9.3

1933

5.0