1929

6.5

1953

7.7

1958

7.0

2002

7.1

1948

7.9

2007

6.1

1976

0.0

1986

0.0

2014

4.7

1932

6.0

1961

7.3

2005

6.8

1943

6.8

1976

7.8

1997

6.2

0.0

2006

6.8

2007

6.7

1937

0.0

1916

1.0