1953

5.9

1989

8.1

1978

7.7

1963

0.0

1993

1.7

1992

7.0

1996

7.2

1978

0.0

1952

6.9

1953

5.7

1994

7.5

1994

8.4

1965

7.8

1991

7.0

1970

6.0

1979

6.7

1994

7.8

1951

5.8

1983

6.8

1995

7.1

1949

6.8

1989

6.1

1974

5.3