2005

7.5

2015

8.2

2014

8.3

2007

7.9

1993

8.4

2016

6.8

2005

7.5

2004

7.3

2009

7.7

2017

7.5

2011

7.6

2009

7.9

2015

7.5

2018

8.3

2003

7.5

1977

7.2

1994

7.0

2023

9.7

2008

7.6

2005

8.3