2013

0.0

2009

6.8

2019

7.0

2008

5.6

2008

6.6

2004

5.2

1998

6.0

2009

6.1

2006

5.3

2008

5.3

1990

6.2

2009

6.4

2017

5.3

2012

5.0

1954

5.7

2014

6.3

1994

0.0

2019

0.0

2000

5.5

2007

6.4