1971

7.4

1963

7.9

1978

6.0

1966

7.5

1965

6.8

1980

6.1

1979

8.5

1986

0.0

1986

0.0

1978

7.0

1982

7.6

1961

4.5

1977

6.3

1961

7.7

1968

6.1

1990

7.0

1970

4.7

1972

6.0

1962

7.3

1976

6.9

1984

8.0

1981

0.0

1964

4.5