1977

2.2

1975

6.3

1976

6.5

1992

2.0

1964

0.0

1959

6.0

1978

7.0

1980

5.6

1968

5.5

1981

0.0

1966

0.0

1971

0.0

1955

7.5

1982

1.0

1994

0.0

1980

4.6

1973

6.0

1969

6.4

1975

5.9

1964

0.0

1965

6.0

1972

0.0

1978

6.0

1975

8.0

1963

2.0