1973

0.0

1982

6.6

1979

8.0

1963

7.9

1974

7.4

1951

8.6

1971

6.0

1985

7.0

2004

4.0

2001

5.0

1994

8.2

1987

6.7

1977

6.8

1979

6.2

1973

5.6

1972

5.6

1978

0.0