1984

7.4

1987

0.0

1984

0.0

1983

6.5

1983

8.0

1973

7.9

1985

4.0

1975

6.1

1982

7.0

1986

5.0

1979

7.3

1980

9.0

1985

7.1

2000

4.0

1975

7.1

1979

0.0

1983

7.0