2008

6.8

1953

7.3

2007

5.7

1984

6.1

2011

5.5

1965

6.8

1990

7.2

2006

5.6

2001

6.2

2014

5.6

2012

6.2

1995

5.9

1981

7.0

2019

6.3

2023

6.9

2013

6.6

1973

7.5

2011

5.7

2010

6.8

1996

7.6