1978

6.2

2020

0.0

2008

5.9

2014

7.2

1969

4.0

1986

0.0

2004

6.9

2002

6.7

2016

6.4

1987

7.0

1993

7.1

1992

7.4

2019

0.0

2023

0.0

2009

0.0

2008

4.7

2007

6.6

2008

6.7

2007

0.0

2005

5.6