2014

5.7

2019

6.3

2004

7.1

2023

7.1

1983

6.7

2018

6.4

1986

5.8

1992

6.7

2006

6.0

2009

6.2

1975

7.3

2016

5.9

1988

5.3

2017

6.1

2010

6.0

2015

5.4

2022

7.1

2012

6.9

1987

4.5

2020

6.5