2017

6.7

1987

5.8

2020

8.4

2003

5.8

2009

5.5

2015

6.1

2017

5.7

2014

6.6

2013

5.9

2019

7.7

2016

6.2

2001

6.5

2010

5.8

2019

6.9

2016

5.9

2015

6.8

2015

5.5

2007

5.7

2017

6.7

2002

6.2