0.0

2015

0.0

1991

7.3

2001

5.5

2017

0.0

2009

0.0

1999

0.0

1998

9.0

2012

6.0

1984

0.0

1980

0.0

2014

7.0

2013

7.8

1999

6.9

2012

7.2

1983

0.0

1995

10.0

1986

6.0

1996

9.5

2007

5.9