2020

7.0

2012

6.2

1989

9.2

1974

8.6

2015

5.6

2016

6.8

2010

7.1

2011

7.1

2014

7.5

2021

9.5

2004

6.0

2014

6.1

2005

7.2

2005

9.7

2015

6.4

1998

6.4

2016

7.1

2016

7.4

2008

7.4

2011

7.0