1960

8.4

1929

6.5

1999

8.4

1972

7.1

2003

7.8

2005

7.8

1947

6.5

2005

7.1

1997

7.1

2002

6.7

1954

8.3

1963

7.5

2005

6.3

1972

7.1

1956

7.5

2001

7.4

1975

7.7

1978

6.0