2014

5.4

2013

6.1

1999

5.0

1987

0.0

2008

5.1

1987

3.9

1996

4.9

2007

7.5

1986

4.0

2010

5.4

2009

6.8

2007

4.6

1991

0.0

1993

0.0

2017

5.2

1995

8.2

2014

0.0

2018

5.4

1992

0.0

1991

4.8

1985

7.0

2023

6.3

2010

4.6

1991

7.5

1988

6.6

1989

6.7