2020

0.0

2005

6.3

2010

4.7

0.0

2017

3.2

2004

2.3

1976

7.2

2005

1.0

2011

6.0

2009

0.0

2002

7.1

1998

6.8

1990

5.0

2010

6.0

1987

0.0

1974

6.9

1989

5.8

1982

2.0

1970

4.0

2004

0.0

2003

2.0

2012

0.0