2006

5.8

2001

6.4

2019

6.5

2017

6.1

2003

6.3

1988

6.2

2014

7.7

1997

7.9

1994

6.2

2001

7.9

2016

6.7

2006

6.3

2020

8.1

2008

7.3

2016

6.8

1995

5.6

2023

8.0

2005

7.7

2021

7.8

2010

7.0