1971

6.3

1984

0.0

2003

0.0

1966

5.0

1977

7.0

2004

6.5

1969

6.5

1967

4.4

1978

9.1

1972

0.0

1997

6.2

1966

5.5

1968

7.1

1978

6.8

1981

6.9

1979

6.8

1998

5.8