1987

6.0

2000

6.6

2006

7.4

1988

5.8

1937

6.7

2011

5.9

2007

6.4

1936

7.3

2014

3.0

2023

6.4

2013

7.7

1992

6.7

1954

6.9

1991

5.9

2000

6.9

1969

5.7

2007

5.2

1963

7.8

1984

0.0

1960

6.7