2019

6.0

2015

5.4

2018

7.5

1993

6.4

2019

6.2

2013

7.7

2016

7.4

2016

8.1

2020

7.3

2018

6.4

2016

6.1

2019

4.3

2016

6.8

2018

6.4

2017

6.9

2018

6.0

1979

7.6

1989

9.2

2008

6.5

2017

6.5