2018

7.8

2008

8.9

2013

7.2

2016

8.5

1960

7.4

2015

7.0

2010

7.3

1965

7.9

2022

8.6

2000

8.2

2003

7.4

1996

7.7

2017

8.4

1996

8.0

2005

7.3

2013

7.5

2020

8.3

2017

7.2

2012

7.5

1969

7.1