2009

4.9

1972

7.9

1957

8.5

1999

7.5

2012

7.0

1979

7.5

2023

6.7

1998

7.0

1993

7.8

2014

7.7

1922

7.7

2007

8.1

2015

7.6

2010

8.2

2012

6.3

1954

8.3

2002

7.2

2012

8.2

1968

8.1

1999

8.4