2021

4.0

2014

7.8

2004

8.6

2012

8.2

2011

8.5

2015

7.9

2008

7.7

2005

7.7

2000

8.0

1990

8.1

2006

8.1

2011

7.0

2010

7.2

2015

8.0

1993

6.8

2016

7.6

2019

7.9

2005

8.2

1998

7.1

2013

7.7