1990

0.0

2002

6.0

1992

2.0

1994

4.0

1995

4.0

2002

4.0

2006

2.0

2008

4.0

2016

0.0

2006

2.0

2012

2.0

1993

2.0

1997

3.5

2007

6.2

1999

7.2

1973

5.2

1939

7.5