1953

5.9

1989

8.1

1978

7.7

1963

0.0

1993

1.7

1968

0.0

1992

7.0

1996

7.2

1978

0.0

1952

6.9

1953

5.7

1990

7.6

1994

7.5

1994

8.2

1965

7.8

1993

7.0

1970

6.0

1982

7.6

1979

6.7

1994

7.9

1954

4.8

1951

5.8

1983

6.8

2000

6.0

1995

7.1

1949

6.8

1989

6.2

1974

5.3