1958

0.0

1959

3.5

1977

5.3

1985

4.2

1971

6.2

1963

6.0

1998

3.2

1971

5.1

1979

4.8

1969

5.5

1984

3.4

1976

5.8

1966

3.7

1961

2.0

1999

2.7

1969

4.8

1968

6.0

1967

5.3

1957

4.6

1957

3.0

1958

4.6

1986

6.1

1969

6.6

1975

6.1

1978

4.2

1970

5.6

1962

3.0

1980

4.4

1988

4.0

1956

2.5

1956

5.0

1985

5.6

1973

5.3

1984

5.8

1986

0.0

1991

4.2

1987

4.2

1982

4.1

1986

5.5

1992

5.0

1981

4.4

1983

4.4

1993

3.3

1994

2.7

1990

5.0

1957

3.0

1955

6.5

2002

0.0

1964

3.7