1979

7.1

1985

7.4

1988

5.0

1975

7.3

2016

7.0

1989

5.9

2023

6.8

2018

0.0

1994

6.7

1977

6.8

1984

6.6

1992

6.0

1972

7.8

1978

6.4

1987

7.6

2001

6.9

1979

6.8

1978

0.0

1967

6.8

1986

5.2

1975

5.0

1973

7.0

2002

9.0

1976

3.8

1973

6.4

1985

7.5

1978

7.1

1984

7.3

1974

5.0

1997

6.7

1999

6.5

1975

6.6

1976

7.5

1974

6.2

1996

7.8

1972

7.4

2010

6.1

1982

5.5

1990

6.0

2012

6.0

2000

4.8

1976

0.0

1986

4.2

1970

7.5

1976

5.0

1983

3.5

1979

6.5

2004

7.8