2013

5.6

1996

5.7

1995

6.1

2006

5.9

1987

5.9

2001

7.1

2005

5.6

2006

5.4

2007

7.5

2001

0.0

1986

5.9

1986

5.5

1999

7.0

1994

6.8

1993

0.0

1991

7.4

2000

6.4

1998

0.0

1983

0.0

2005

6.5

2021

5.6

2005

5.4