1994

6.5

1962

7.2

2008

8.2

2009

8.3

2023

8.7

2017

8.2

2006

8.6

2018

8.1

2014

8.3

2019

8.7

2018

8.2

2016

7.3

1998

7.0

1995

7.6

2014

8.3

2013

7.2

2007

8.5

2015

8.3

1999

7.4

2018

8.6