2023

7.2

2009

7.6

2020

8.1

2015

8.0

2016

7.6

2011

8.3

2010

7.7

2013

6.8

2017

7.3

2018

7.6

1989

8.3

2016

7.3

1957

8.5

1997

7.9

2014

7.9

2009

7.3

2017

7.6

1994

8.7

1994

8.5

2008

8.5