1963

5.4

1950

4.0

1968

8.0

1964

6.0

1990

5.7

1978

3.8

1968

7.1

1965

6.4

1974

0.0

1975

5.0

1972

7.7

1966

7.6

1988

7.0

1966

7.3

1968

5.2

1966

6.6

1970

5.6

1962

7.5

1971

6.0

1965

7.5

1957

7.1