2014

7.2

2015

6.3

2006

9.8

2019

6.9

1966

5.7

2021

9.2

2020

7.8

2010

6.8

2017

6.5

2019

6.7

2012

7.3

2020

8.1

2001

9.9

2011

7.4

1999

9.1

2009

6.4

2013

5.7

2006

5.5

2018

8.2

2018

6.5