1984

6.5

1987

5.6

2001

5.1

1951

6.1

1998

7.2

1931

7.1

1992

6.6

1953

0.0

1993

6.9

1994

7.1

0.0

1945

5.0

1972

7.4

1985

0.0

1989

7.2

1996

6.7

2004

7.3

1989

7.2

2000

7.1

1996

7.2