1970

5.8

1992

6.0

1966

7.2

1970

5.3

1956

0.0

1971

6.6

1975

6.7

1959

0.0

1974

3.8

1956

6.2

1969

6.6

1976

6.7

1974

4.9

1961

6.6

1987

4.2

1976

5.4

2000

2.8

1978

5.8

1963

4.3

1975

2.0

1976

6.1