1973

6.3

2001

7.9

1984

4.7

1987

5.8

1991

5.5

1970

4.0

1985

5.3

1985

6.3

1999

0.0

1972

8.0

1980

4.6

1958

0.0

1968

10.0

1982

6.9

1975

8.0

1954

0.0

1994

0.0

1970

3.3

1963

0.0