2009

5.1

1978

6.0

1988

2.5

1997

6.6

1986

7.6

1955

7.9

2004

7.3

1969

7.4

1995

7.2

1936

6.1

1999

5.9

1973

7.4

1992

7.4

1944

7.6

2002

6.7

1996

5.6

1999

5.5

1963

7.5

1972

7.1

1991

8.3