1970

5.3

1960

4.6

1967

4.8

1985

0.0

1970

5.5

1979

4.5

1981

5.0

1965

7.8

1975

5.6

1982

4.3

1974

7.1

1990

4.4

1960

5.5

1990

5.0

1972

6.2

1973

5.0

1977

6.3

1984

6.8

1988

5.6

1962

4.5

1978

4.0

1972

5.3

1972

5.0

1960

6.6

2010

7.2

1965

5.6

1972

5.6

1973

5.0