1966

5.7

1971

6.7

1959

6.0

1977

5.2

1969

2.0

1973

6.4

1973

10.0

1970

6.6

1977

2.0

1968

6.2

1987

6.0

1977

6.8

1962

4.3

1978

5.7

1979

0.0

1971

6.6

1983

4.7

1986

5.4

1972

5.3