1970

5.7

1992

6.0

1966

7.2

1970

5.3

1956

0.0

1975

6.6

1959

0.0

1974

3.2

1956

6.2

1969

6.5

1976

6.7

1974

4.7

1961

6.7

1987

4.1

1971

6.6

1976

5.2

2000

2.7

1978

5.8

1963

4.6

1975

2.0

1976

5.9