1987

6.5

1983

6.7

2009

2.0

1995

0.0

2012

4.0

2005

4.7

1985

8.0

1987

0.0

2006

3.2

1988

7.0

1988

0.0

1980

0.0

2004

0.0

2008

0.0

2009

6.4

1989

5.0

2009

0.0

2019

7.1

1990

0.0

1980

6.7

2014

7.3

2008

6.7

1979

7.4

1982

7.0

1998

2.7

1997

3.5

2015

7.2

1981

5.0

2017

3.8