2006

5.5

1965

6.3

2004

6.2

2010

5.8

1953

7.3

1988

7.2

2002

4.6

1994

8.1

1988

6.2

2014

7.8

2013

8.0

2002

7.4

1954

8.4

1966

6.8

2001

6.1

1970

6.3

1960

7.5

1961

6.5

1996

5.8

2009

7.5