1989

7.2

1978

7.2

1985

6.4

1987

5.1

1987

7.0

1971

7.0

1990

5.8

1979

6.8

1988

0.0

1967

6.5

2001

7.0

1961

7.7

1976

6.6

1991

5.9

1988

5.4

1960

7.0

1973

6.1

1976

6.9

1972

5.6

1962

7.3

1974

6.2

1984

5.7