1998

6.8

1981

5.2

2011

0.0

2019

5.9

2006

5.4

2006

5.2

1998

5.2

2015

2.0

2007

6.0

0.0

2002

9.0

2016

0.0

1994

7.0

2004

0.0

2012

6.2

2018

6.3

1998

0.0

2001

7.1

2001

0.0

1978

5.5

2005

6.1

2008

0.0

2015

0.0