2008

5.7

1976

1.0

1998

5.2

1988

0.0

2002

6.5

1997

0.0

2000

0.0

1986

5.9

1994

7.0

1998

0.0

1986

0.0

1993

0.0

2000

0.0

2002

2.2

2001

4.4

1999

6.8

1992

3.4