1994

0.0

1984

6.3

1987

5.5

1988

6.3

1999

2.0

1984

6.3

1988

4.3

1985

5.3

1985

6.2

1995

4.4

1985

6.1

1990

5.6

2000

6.7

1986

5.2

1986

5.1

1988

6.1