1995

3.3

1969

5.3

1959

5.0

1956

6.9

1961

5.8

1984

6.0

1984

8.3

1951

5.4

1969

7.0

1962

7.6

1956

8.2

1975

7.2

1970

4.5

1953

0.0

1963

7.0

1963

6.8

1958

4.8

1983

6.2

1956

4.4

1959

0.0

1969

6.2

1964

6.1

1957

0.0

1950

4.8

1952

5.4

1964

6.8

1954

5.8

1955

7.0

1965

6.0

1975

7.0

1967

7.1

1973

0.0

1983

0.0

1958

5.0