2006

5.2

2008

5.9

2011

7.0

1984

5.0

1977

6.6

1949

5.4

2014

7.1

2004

6.2

2014

6.8

2007

5.6

1989

3.0

2005

4.0

2020

1.0

1991

1.0

2010

0.0

2021

0.0

2018

0.0

1997

0.0

2019

0.0

1995

0.0