1962

5.5

1967

0.0

1966

7.3

1959

7.5

1965

6.4

1993

6.7

1968

6.2

1965

5.0

1992

0.0

1971

4.3

1994

4.9

1963

7.2

1967

6.8

1987

5.2

1959

8.4

1961

6.4

1983

1.0

1964

5.4