1974

0.0

1987

6.8

1979

7.1

1975

3.7

2002

5.8

1994

4.3

1977

6.0

1982

1.0

1992

6.5

1979

6.8

1984

7.5

1981

0.0

1976

6.0

1980

5.1

1969

3.5

1982

5.5

1979

5.0

1983

7.0

1991

6.4

1974

7.5

1982

1.0

1974

6.0

1998

8.1

1999

2.8

1987

4.9

1975

7.0