1991

7.3

1997

0.0

1994

5.0

1957

4.0

1959

6.4

2007

6.3

2004

7.3

0.0

1974

7.9

1988

7.5

1941

7.7

1946

7.6

1960

8.4

1987

7.1

1995

7.0

1992

3.3

1990

6.1

1989

5.9

1946

6.5

2004

6.1