2012

6.0

2008

7.0

2004

6.0

2002

4.3

2002

6.3

2006

4.6

1989

0.5

1992

0.0

2007

5.0

2005

5.4

2016

7.3

1983

8.5

2004

6.6

1998

6.5

1985

3.8

2005

5.3

1996

5.7

2000

7.0