2001

6.5

2000

6.8

2004

7.4

2014

7.3

2024

9.0

2003

8.2

2013

7.5

2017

7.0

2013

6.9

2016

7.3

1963

7.9

2007

7.9

1993

7.9

2006

7.8

2001

7.8

2023

6.0

1996

6.8

1998

7.1

2014

7.2

1957

6.9