1976

7.6

1961

5.0

1962

6.5

1989

7.3

1984

5.1

1959

5.2

1981

7.6

1960

0.0

1955

6.1

1984

7.2

1968

7.0

1986

7.1

1953

6.5

1962

6.7

1957

5.0

1965

6.8

1970

5.5

1986

6.7

1989

8.3

1953

5.4

1983

7.5

1967

5.3

1978

0.0

1960

6.9

1954

6.8

1954

2.8

1966

6.6

1959

5.5

1957

6.3

1958

6.9