2021

6.6

2002

7.4

2017

5.4

2019

6.4

2013

7.5

1968

7.3

2018

5.1

2016

7.4

2007

6.5

2009

7.7

2014

7.9

2012

7.6

2018

6.3

2010

5.9

2019

7.8

2010

7.3

2013

6.9

1982

7.6

2015

6.0

2016

7.0