2005

8.3

2004

8.0

1963

7.9

1987

8.4

2014

7.8

2016

7.9

2011

8.7

2016

7.3

2007

7.4

2017

7.2

1988

8.1

2012

7.4

2014

8.3

2013

7.3

2007

7.5

2001

6.5

2025

7.7

2019

9.3

1982

7.6

2015

6.1