1984

6.6

1995

6.5

1992

7.4

2002

5.8

1996

6.7

1940

7.1

1979

7.2

1996

6.1

1981

1.0

0.0

1981

4.4

2007

6.2

1988

6.0

1965

4.3

1999

6.3

1968

5.8

2006

0.0

1970

6.5

1966

6.3

2024

0.0