1996

7.5

1957

5.7

1962

7.4

1938

7.2

1993

7.9

2003

8.1

2006

7.0

1948

8.2

2005

6.6

2007

7.6

2016

6.0

1985

6.8

2007

6.5

1942

7.3

1983

6.9

1947

6.7

2009

4.2

2000

6.6

1946

6.6

1939

7.0