1969

5.5

2014

4.6

1980

5.0

2008

4.2

1996

5.8

1997

6.6

2016

5.7

1989

5.9

2023

0.0

2009

5.5

2020

5.0

2007

8.1

1979

5.7

2010

8.0

2011

7.0

1999

7.2

2010

0.0

1995

6.4

2024

5.5

2017

7.7