1980

6.9

1961

3.1

1960

0.0

1962

4.2

1962

6.2

1964

1.0

1972

4.3

1968

0.0

1993

6.0

1971

3.0

1969

6.8

1965

4.0

1995

7.4

1992

8.0

1961

0.0

1975

0.0

1973

0.0

1964

0.0