1983

4.4

2002

4.5

1994

7.2

1990

6.2

1982

6.0

1990

5.8

1980

0.0

1993

6.6

1972

7.9

2005

7.7

1978

6.0

1976

7.5

1975

7.3

1985

5.4

1972

7.4

1983

3.2

1974

7.2

1988

0.0

1997

6.2

1976

0.0