1978

5.9

1999

6.0

1971

5.1

1972

4.7

1973

4.5

1976

4.8

1956

6.8

1988

6.8

1995

0.0

1973

4.4

1995

5.8

1969

6.2

1976

3.8

1975

5.2

1976

6.5

1981

6.2

1961

4.8

1976

5.3

1975

5.7

1989

4.0

1967

4.4

1978

9.2

1986

5.8

1979

0.0

1989

8.2

1967

5.5

1966

6.2

1988

0.0

1969

6.6

1976

4.8

1977

4.6

1963

4.3

1983

7.5