1973

6.2

1967

6.4

1937

7.2

1966

6.7

1959

7.2

1963

7.8

2018

4.9

1946

7.1

2008

5.7

2004

6.4

1982

7.0

1975

6.2

1967

7.0

1988

6.0

1951

7.3

1973

7.3

1976

7.2

2009

6.4

2016

5.3

0.0