1968

5.8

1984

5.8

1973

3.6

2009

5.7

1988

5.4

1936

6.3

2003

3.1

2006

2.0

1981

7.1

1969

5.2

1987

5.8

2007

6.2

1999

6.7

2005

6.3

2005

5.6

1995

5.4

2023

0.0

2009

5.8

1994

6.6

2002

5.3