2014

6.0

2001

7.8

2005

6.2

2002

6.4

2013

5.2

2008

6.8

1992

5.0

2004

3.8

1964

6.4

1989

6.0

1991

5.8

1940

5.0

2010

7.5

2012

7.0

2011

5.1

2016

7.9

1998

5.8

2020

0.0

1977

4.1

2013

0.0