1992

5.7

1984

6.1

1994

7.2

1999

8.2

1991

6.0

1993

8.0

1987

5.9

1990

7.4

1997

0.0

2000

5.0

1986

4.3

1995

7.2

1992

7.0

2013

7.6

1984

7.0

1994

7.2

1988

5.0