1998

9.0

2017

7.8

2002

7.5

2012

6.3

2022

8.1

1983

7.6

2012

7.0

2008

7.3

2006

8.6

2013

7.0

2015

6.7

2005

9.3

2016

6.9

1985

7.9

2018

7.8

2018

8.3

2015

9.2

2017

8.3

2011

8.3

1999

6.9