1979

0.0

1976

5.0

2005

5.6

1995

6.7

1983

0.0

2021

6.6

2009

6.0

1997

6.5

2013

6.0

2007

6.0

1979

0.0

2002

3.6

1990

3.3

1978

5.0

1973

0.0

1996

9.0

1989

1.0

2004

0.0