2004

7.0

1996

6.0

1989

5.1

1968

6.5

1976

6.6

2023

6.8

2009

5.6

2009

5.4

1987

5.5

2008

5.4

1992

5.3

1994

5.3

1954

7.2

1975

6.9

2004

4.8

1989

7.1

1988

6.3

1970

7.4

2020

7.0

1933

7.5