1961

7.2

2005

6.8

2006

6.9

1975

10.0

2004

6.8

2002

7.1

1948

7.9

2007

6.7

1961

6.0

1935

7.3

1940

7.4

1967

7.3

1960

5.4

1984

0.0

1965

8.5

1914

0.0

1998

6.0

1938

6.0

1932

7.4

1974

0.0