1984

8.0

2003

5.9

1996

6.4

2006

5.8

1938

0.0

1933

5.0

1972

2.6

2000

6.4

1972

6.9

1978

6.6

1961

0.0

1992

7.3

1940

5.2

1966

7.3

2001

7.0

1989

7.2

1996

7.2

1998

6.0

1992

6.6

1993

6.9