2001

7.5

2021

6.8

2013

8.1

1994

8.5

2012

7.4

2005

7.8

2009

7.3

2006

8.2

2015

6.9

1983

8.2

2018

6.8

2003

7.7

2017

7.1

2001

8.5

2006

7.4

2013

7.9

2004

7.3

2004

8.1

2014

8.0

2014

6.9