2012

4.0

1949

7.7

1898

7.2

2002

4.5

1999

5.9

1996

6.5

2002

7.6

1985

8.1

2006

7.0

1954

7.8

1989

7.1

1969

7.6

2003

6.2

1993

6.9

2007

5.8

1978

6.7

1987

6.7

2006

5.0

1931

7.1