1999

6.8

1974

6.6

1986

6.2

1971

6.0

1953

7.2

2023

6.9

1988

5.7

1965

6.4

1975

6.3

2010

7.4

2006

6.5

1933

6.2

2002

6.3

2009

6.8

1999

5.9

2006

6.8

1996

5.8

1998

6.1

1987

6.3

1983

7.9