1975

5.8

1962

5.1

1960

3.6

1979

5.2

1977

7.0

1973

3.7

1989

6.2

1959

7.0

1978

6.1

1976

5.3

1961

0.0

1982

7.3

1978

5.0

1979

5.8

1968

8.8

2005

0.0

1991

0.0

1965

0.0

1982

0.0

1958

6.0

1959

6.7