2012

5.7

1902

7.9

1997

7.6

1972

6.4

1999

6.3

1956

7.3

1955

6.0

1904

7.2

1929

7.2

2005

6.4

1993

6.9

1959

5.6

2002

7.6

1968

8.1

1998

6.8

2001

8.4

2002

8.4

2003

8.5

1978

6.6

2001

7.0