2018

4.3

1987

6.2

1996

7.0

1984

5.3

2011

0.0

1986

5.8

1988

0.0

1989

0.0

1989

2.0

1983

4.0

1997

0.0

2016

8.0

2012

7.9

2017

5.7

2006

6.8

2000

6.8

1976

3.2

1984

4.0

1983

5.9

2007

6.0

2000

0.0

1985

6.8

2015

6.5