1964

4.8

1973

5.5

1959

6.8

1958

6.8

1984

0.0

1992

0.0

1962

4.0

1981

6.0

1979

6.6

1960

6.9

1961

0.0

1991

0.0

1981

0.0

1972

0.0

1973

7.6

1969

0.0

1971

3.0

1998

6.0

1982

0.0

1981

0.0