2002

8.3

1971

7.8

2008

6.0

2016

6.5

2016

7.1

2019

6.6

2007

7.0

2016

7.3

2019

7.0

2009

7.9

2014

6.7

2015

7.3

2006

7.3

2007

7.5

2017

9.0

2014

6.6

2011

7.4

2003

7.2