2017

7.0

2008

6.7

1999

7.1

2001

6.5

1991

7.8

2015

7.7

1966

7.3

2008

7.6

2009

7.9

2009

6.9

1959

7.5

2006

6.9

2024

9.1

1998

7.2

2012

7.4

2004

7.7

1983

6.8

2023

9.8

2011

6.8

2000

7.6