2016

6.5

2014

7.1

2011

7.0

1984

4.8

2005

4.0

2010

0.0

2022

0.0

1977

6.4

2004

6.2

1991

1.0

1949

5.5

1997

0.0

2018

0.0

1989

4.8

1995

0.0

2006

5.3

2023

0.0