1996

5.5

1987

5.6

1970

4.6

1981

8.0

1965

4.7

1996

4.8

1968

7.1

1981

0.0

1976

6.0

1979

6.8

1990

7.4

1977

6.3

1984

7.4

1989

10.0

1979

0.0

1974

5.4

1983

6.5

1982

6.3

1958

6.2

1967

7.3

1973

7.0

1971

3.9

1975

6.7

1969

7.6

1964

6.8

1964

0.0