1998

6.9

2002

7.0

1927

7.8

2002

6.5

1997

7.4

1953

7.1

2004

6.3

2006

6.6

2007

5.7

2011

8.0

1997

8.1

1934

6.8

1958

7.6

2002

6.0

2007

7.2

1987

8.3

1991

6.0

1997

0.0

1978

7.5

2003

6.0