1975

7.5

1959

7.8

2003

6.2

2005

4.9

1980

5.0

1972

0.0

1954

7.2

1955

7.2

1957

7.2

1947

6.2

1995

5.8

1932

6.9

1955

7.3

1968

5.0

1991

0.0

2012

6.6

1985

6.9

2010

5.1

2025

6.5

1981

0.0