2003

9.5

1987

5.6

1992

4.3

1994

7.2

1989

6.9

1999

8.2

1991

5.6

1997

0.0

1996

4.2

1995

4.0

1984

7.5

1986

5.2

2005

7.0

1986

4.4

1988

4.2

1991

7.2

1992

6.6

1999

9.5

1995

7.0

1997

0.0

1987

5.9

2001

6.8