2020

7.4

2006

7.3

1999

9.2

2016

7.3

2010

7.4

2014

7.8

2015

8.1

2012

6.6

2019

7.5

1989

8.5

2002

5.4

2010

7.2

2021

7.3

2019

6.8

2017

8.3

2005

8.0

2004

8.1

2016

5.8

2009

7.7