2001

7.5

2006

8.2

1962

7.9

1968

4.2

1996

6.6

2005

7.6

1949

6.0

1973

7.4

1989

7.5

1937

6.0

1994

6.8

2007

6.5

2021

6.2

1993

7.0

1992

7.4

1972

7.3

1990

6.8

1998

6.2

1914

4.0

1956

6.7