1989

8.1

1981

6.4

1992

5.6

1985

5.7

1986

6.0

1972

5.4

1985

6.4

1963

7.9

1971

6.8

1983

7.8

1969

9.6

2024

0.0

1974

6.6

1988

4.0

1970

8.0

1985

5.6

1966

5.5

1981

6.5

1977

5.0

2004

7.3

1978

7.0

1993

5.9

1971

6.8

1967

0.0

1967

6.6

1991

5.0

1966

5.0

2005

0.0

1978

5.9

1984

6.6

1965

0.0

1969

8.0

1970

7.5

1995

6.6

1965

0.0

1970

7.6

1973

5.5

1985

6.7

1994

6.0