2018

0.0

2007

5.4

2001

0.0

1999

0.0

2004

6.1

2013

0.0

2007

6.1

2008

5.9

1992

7.4

2011

5.6

1998

5.8

2009

6.0

2005

5.5

2014

5.7

2009

4.7

2001

7.1

2009

4.6

2015

5.1

2017

5.9

2002

5.0

2016

6.2

2006

6.7

2001

5.7

2020

4.0