1963

5.0

1954

6.6

1964

6.6

1956

7.4

1992

7.0

1960

6.1

1967

5.5

1953

6.8

1951

0.0

1952

5.7

1960

5.8

1973

6.3

1964

5.4

1961

7.5

1972

6.3

1957

4.3

1968

5.4

1991

0.0