1952

7.3

1959

0.0

1974

7.1

1984

5.3

2003

7.2

2004

7.2

1956

6.6

1987

7.2

2007

7.2

1979

6.0

1963

7.7

1926

7.9

1929

0.0

1920

0.0

1993

8.6

2013

0.0

1953

6.9

2004

7.2

1998

6.1

1945

4.7