1989

6.1

2018

6.0

1984

6.5

2018

6.5

2020

6.0

2013

8.6

2021

9.5

1961

6.9

2010

6.6

2019

8.0

2006

7.0

1965

6.2

1993

4.9

2023

7.3

2008

5.9

2016

7.2

1999

7.3

2015

6.0

2019

7.3

2007

8.2