1984

10.0

1986

0.0

1989

6.2

2009

5.3

2017

7.5

2011

5.3

2005

5.2

2012

5.0

2010

6.5

2021

9.0

2015

0.0

1991

5.0

2010

6.7

1997

4.7

1999

5.0