2007

6.7

1976

7.2

1976

6.7

2021

6.2

2006

6.4

2005

5.2

2003

6.5

2007

7.2

1981

6.5

1996

6.7

1984

5.1

1996

5.0

1945

6.7

1968

6.8

1943

7.7

2006

7.1

2000

7.1

1997

7.5

1992

6.6

1955

7.9