2019

7.7

2017

6.4

2020

6.7

1989

5.8

2001

6.0

2016

6.6

2009

6.2

2017

6.4

2017

6.1

2025

7.5

1988

5.8

2013

6.6

2017

6.1

2015

6.4

2015

7.0

2018

5.6

2015

6.1

2017

6.0

2008

7.2

1993

6.6