1974

3.6

1958

5.2

1966

5.8

1956

5.1

1966

6.6

1968

6.7

1973

0.0

1970

7.1

1972

7.7

1984

8.2

1989

8.8

1962

6.4

1960

6.5

1974

4.0

1976

3.9

1966

0.0

1973

7.6

1966

6.2

1966

0.0

1958

6.1

1958

0.0

1955

6.2

1966

6.5

1972

7.7

1960

0.0

1954

7.8

1965

0.0