1995

4.0

1974

0.0

1989

7.2

1990

7.0

1998

5.0

1979

7.6

1987

6.0

1983

6.9

1982

5.0

1992

0.0

1988

3.5

1984

7.6

1993

0.0

1986

6.1

1990

0.0

1976

6.7