1981

7.2

1971

0.0

1986

6.1

1960

0.0

1977

6.7

1985

4.8

1990

3.0

1980

6.0

1980

1.0

1986

5.7

1981

7.2

2004

0.0

1984

6.8

1964

0.0

1994

3.0

1962

6.5

1987

6.7

1985

6.9

1962

7.4

1993

4.7

1981

6.0