2005

5.5

1970

6.4

1949

6.7

2001

4.8

1968

6.9

1992

5.8

2020

7.0

1944

0.0

2000

6.8

1967

0.0

2004

6.7

1970

6.9

1959

5.4

1955

6.5

1984

5.0

2008

7.6

1934

7.8

2002

0.0

2001

6.9

2006

4.9