1996

0.0

2010

0.0

2009

0.0

1987

5.8

2007

3.8

2006

7.2

2007

8.2

2003

8.4

2002

2.0

1986

6.3

2005

4.2

1994

7.1

2008

7.9

2016

0.0

1985

6.8

2001

4.5

2018

4.7

1999

3.3

2015

5.0