1997

3.0

1976

2.0

1988

0.0

1985

7.0

2002

6.6

1989

6.5

1997

6.7

1996

6.2

1984

8.0

2006

6.1

1999

7.2

1985

7.0

1979

6.4

1989

5.4

1974

5.0

1980

4.6

1980

5.7

1985

0.0

1983

4.6

1997

5.0

1985

3.8

1995

4.8

2004

9.0

1992

6.8

1983

7.3