2014

7.1

2011

6.4

2001

5.2

2000

5.2

2011

6.3

2015

6.2

2018

7.2

2003

6.6

2020

7.3

1977

6.2

2019

7.0

2016

6.9

2018

6.8

2018

5.2

2017

6.7

2013

6.1

2015

6.9

2013

6.2

2014

6.7

2015

7.5