1995

7.0

1979

8.2

1973

0.0

1982

8.8

1977

0.0

1979

2.0

1991

2.0

1975

8.1

1966

0.0

1977

8.6

1971

6.4

2001

6.0

2001

6.6

1980

10.0

1981

5.7

1968

7.4

1964

7.7

1994

4.9

1993

7.8

1992

9.5

1990

8.0

1965

6.6

1993

0.0

1991

8.5

1981

6.6

1972

6.0

1981

7.3

1989

6.4