1992

6.8

2019

8.0

2014

8.3

1993

7.2

2004

7.2

2018

8.3

1993

7.3

1992

8.5

2008

7.6

2016

7.8

2017

7.1

2007

8.1

2012

7.5

2016

6.4

2009

8.3

2012

6.2

1990

6.9

2018

7.5

2022

7.0

2015

8.0