1996

6.5

2003

6.3

1995

5.6

2016

6.7

2023

7.0

1989

5.5

2006

6.8

2003

6.8

2002

6.5

2005

5.2

2021

6.1

2006

6.7

2011

7.2

2009

7.1

2012

6.5

1996

5.8

2010

6.8

2017

6.6

2027

0.0

1987

5.2