2008

7.6

2015

7.7

1951

8.0

2009

8.3

1987

7.8

2012

6.4

2011

7.3

2006

7.4

2014

6.9

2020

8.4

2022

7.0

1962

7.8

1985

7.7

1978

7.2

2001

8.6

2014

7.6

2017

7.1

2016

8.6

2003

8.0

2010

7.6