1987

5.8

2001

5.2

1962

6.8

1994

6.1

1932

6.9

1936

5.0

1996

6.7

2004

7.2

1993

6.9

1994

7.1

1990

6.6

1972

7.4

1920

0.0

1974

0.0

1992

6.6

2000

0.0

1965

7.7

1962

0.0

1959

0.0

1964

7.1