2001

5.8

1949

6.9

2001

6.7

1988

6.3

2008

7.2

1996

6.4

1992

5.9

1949

7.7

2002

7.5

1990

5.0

1972

7.8

1994

5.5

1996

7.0

1992

6.6

1971

7.5

2011

5.2

1995

6.1

1999

6.5

1933

7.6

1925

8.0