2002

5.3

1999

6.5

1995

0.0

1986

7.9

1986

8.3

1990

4.2

1993

6.5

1992

6.6

2007

6.4

1991

6.3

1998

1.0

1993

5.5

1989

7.3

1994

5.2

1990

8.0

1987

6.5

1986

6.9

1998

5.8

1999

8.7

1996

6.9