2012

6.4

2012

7.5

2016

7.1

1985

7.5

2010

7.0

2007

7.5

2005

7.9

2019

7.1

2003

4.6

2004

7.2

2008

6.7

2015

7.8

2016

7.1

2017

6.5

1996

6.8

1996

7.5

2009

5.9

2003

7.9

2016

6.8

2020

7.6