2008

10.0

2019

6.5

2014

6.9

2009

5.8

1980

5.9

2006

6.1

1996

6.5

2013

6.7

2000

5.1

1948

6.3

2024

6.8

2016

6.1

2017

6.6

2015

6.5

2013

6.1

1972

6.6

1993

6.5

2011

6.6

1980

6.6

2012

5.3