1985

5.7

1981

7.6

1998

6.2

1992

7.5

1989

0.0

1991

3.0

2011

8.2

1989

0.0

1999

7.9

2000

0.0

1994

6.2

1994

7.0

2014

6.8

1997

6.2

1986

0.0

1984

10.0

2001

7.3

1996

3.0

1987

6.0

1991

5.5

2005

7.0

1988

5.0

1986

6.1

1996

6.6

2002

0.0