2006

5.2

2005

4.0

1979

5.8

2011

7.0

1989

3.0

1948

6.0

1997

0.0

1977

6.6

2014

7.1

1984

5.0

2004

6.2

1995

0.0

1949

5.4

2010

0.0

2018

0.0

1991

1.0