2006

6.4

2003

7.0

1951

5.2

1997

6.8

1988

6.3

2008

3.8

1975

10.0

1968

7.0

1977

7.3

1955

7.2

1943

6.9

1933

6.2

1967

6.8

1954

7.2

1960

6.1

1968

7.4

2023

6.6

1962

4.3

1983

6.4

2005

6.7