2007

4.8

1955

7.3

1993

4.4

1932

2.0

1962

6.8

1964

7.0

0.0

2001

4.1

2005

4.9

2009

6.8

1993

7.2

2014

6.9

2011

6.7

2015

7.5

2012

0.0

1996

6.2

1997

6.2

2003

6.3

2005

6.3

2004

3.2