1959

0.0

1952

6.1

1974

6.0

1963

2.5

1954

0.0

1959

0.0

1955

0.0

1979

0.0

1995

2.5

1994

0.0

1953

4.0

1973

2.3

1975

6.0

1993

6.4

1964

4.5

1961

5.5

1987

6.8

1960

5.7