1974

4.7

1998

4.0

1971

3.0

1987

8.0

1971

5.3

1976

7.1

1961

0.0

1969

5.4

1977

2.0

1963

6.6

1965

6.0

2000

6.8

1968

7.0

1967

4.9

1967

0.0

1971

4.9

1975

5.2

1977

0.0

1963

7.6

1964

5.0

1978

6.8

1969

5.0

1967

5.8