2019

6.5

1980

5.9

2003

6.8

2016

6.1

2021

6.7

2019

6.7

2005

5.2

1940

6.3

2015

6.6

2011

6.6

2012

5.7

2024

6.0

2024

7.2

1996

6.5

1963

6.9

2008

6.7

2013

6.1

7.0

2004

6.4

2006

6.1