2004

5.8

1979

5.2

2006

4.7

2004

6.9

1954

6.0

1946

0.0

1944

6.4

2009

8.0

1995

5.8

2009

6.4

1937

6.0

2001

6.7

2005

6.8

1984

0.0

1987

6.8

1966

5.1

2007

7.8

1967

6.2

1947

4.5

1973

9.0