1985

7.2

1959

7.8

2008

4.5

1971

7.2

1961

6.6

1952

5.9

1950

6.0

1944

0.0

1993

7.6

2016

6.1

1962

5.8

2017

6.1

1955

6.5

1980

6.0

1937

3.0

1972

6.8

1948

5.6

1945

5.7

1938

5.0

1951

6.3