1963

8.1

1966

7.0

1961

4.4

1989

6.8

1969

2.8

1972

5.0

1965

5.7

1964

4.9

1966

5.0

1976

6.9

1975

6.2

1966

5.8

1990

5.7

1984

4.1

1987

5.0

1969

6.2

1991

5.2

1969

2.7

1993

0.0

1968

6.7

1982

6.8

1966

6.1

1967

4.5

1966

5.2

1966

0.0

1968

3.8

1962

6.4

1975

0.0

1966

6.8

1966

4.9

1999

4.0

1971

4.8

1968

6.2

1971

5.6

1965

5.5

1958

7.0

1979

7.0

1963

6.8

1966

2.8

1989

6.1

1987

3.7

1965

5.2

1988

1.8

1974

2.0

1969

6.8

1988

6.7

1975

6.5

1979

6.8

1993

2.7

1975

4.5

1967

5.8

1980

4.8

1962

4.6

1990

5.8

1962

6.5

1971

6.0

1989

4.3

1979

6.3

1961

4.9

1972

5.4

1967

0.0