1983

6.9

1960

7.5

1927

7.5

1957

7.2

1961

7.7

1986

6.5

2006

5.8

1958

7.3

1955

7.9

2011

6.9

2013

7.0

2002

6.1

1979

4.7

2016

6.6

1996

7.0

1935

7.4

1946

7.6

1947

7.6

2007

6.7

1994

7.4