2011

7.0

2012

6.8

2013

6.1

2021

7.7

1997

6.0

2009

8.0

2018

6.0

1990

7.4

2003

7.8

2018

5.7

2010

6.0

2011

8.0

2013

7.3

2007

5.2

2022

0.0

1993

7.1

2015

0.0

2008

7.3

1971

8.1

2017

8.4