2004

6.0

1957

7.2

6.8

1985

6.4

2005

5.5

1998

6.6

2010

6.1

2007

5.7

1931

5.8

2004

6.4

2020

6.3

2021

5.6

2005

6.4

2006

6.3

1955

7.3

1990

6.3

1972

10.0

2009

5.6

2010

7.1

2012

6.7