1929

6.5

1953

7.7

1989

7.2

1996

6.8

1932

0.0

1940

5.2

2004

7.2

1915

4.5

1958

7.6

1984

8.0

1998

7.4

1957

8.5

1966

7.7

1973

2.3

1961

7.5

1961

4.0

1972

7.4

1996

7.3

1990

6.5

2014

3.0