1985

5.3

2008

0.0

1991

5.7

1996

3.5

2016

0.0

2013

6.4

1989

0.0

2000

6.1

1997

0.0

1958

0.0

1998

9.0

1994

5.9

2003

3.0

2003

3.0

2014

5.2

1987

4.5

2015

6.2

1987

6.0

1982

6.3