2011

6.1

2012

5.3

2019

7.8

2016

6.0

2014

8.5

2019

7.0

2018

6.9

2003

8.3

2020

7.3

2018

8.2

2019

6.8

2019

8.0

2007

7.6

2013

7.2

1982

7.9

2014

7.9

2015

7.6

2018

8.2

2009

7.6

2003

7.7