1964

5.7

1969

6.0

1967

5.6

1974

0.0

1962

2.0

1976

6.0

1975

4.0

1975

0.0

1968

6.4

1965

0.0

1966

5.0

1963

0.0

1956

4.9

1973

5.9

1966

2.7

1968

7.2

1988

0.0

1985

5.3

1970

0.0

1959

0.0