2005

6.7

1979

8.3

1930

7.8

1984

8.0

2013

4.3

2006

7.5

1986

7.7

2004

7.3

2008

3.4

1957

6.3

2007

7.1

2011

0.0

1958

0.0

1984

8.5

1946

5.5

1969

0.0

1980

7.2

1959

7.5

2003

5.8

2005

7.5