1981

6.4

1978

7.2

1972

5.0

2007

0.0

1963

7.9

1970

7.4

2023

7.1

1975

8.8

1974

7.0

1971

6.0

1987

6.5

1972

5.5

1984

0.0

1997

0.0

1975

5.5

1969

8.0

1975

7.7

1986

5.8

1977

0.0