2004

5.6

2010

4.8

2002

3.6

1984

4.7

2015

6.3

1972

7.0

2009

5.8

1996

5.1

2006

1.0

2010

5.0

2023

0.0

2006

6.5

2012

3.5

2016

5.3

2009

5.6

1986

5.3

2017

5.2

2013

5.0

1990

5.3

1998

3.6