1956

6.8

1970

6.0

1964

6.1

1974

0.0

1944

5.7

1984

6.4

1968

6.2

1969

5.5

1969

1.0

1984

5.0

1958

6.7

1971

6.3

1943

8.0

1964

7.2

1966

5.9

1983

4.9

1983

4.9

1942

0.0

1988

0.0