2004

8.1

1959

7.8

1932

7.4

2001

5.4

1974

7.8

2003

7.2

2003

7.4

1955

7.3

1956

7.1

1957

7.2

2001

6.2

1975

7.3

1997

6.7

1958

7.7

1963

7.1

1988

6.7

2006

7.0

2002

7.0

2003

7.5

1954

8.5