1992

5.1

2007

5.9

1985

5.5

2002

6.5

1988

7.2

1991

0.0

1999

0.0

1998

5.5

2014

8.0

2006

0.0

2008

0.0

1998

0.0

2018

7.6

2011

5.8

1996

0.0

1987

0.0

1992

2.3

1998

6.6

1984

7.9

0.0

1994

7.0

2017

7.5

1990

0.0

2001

6.6

2019

7.0