2013

6.1

2015

7.4

2017

4.7

2021

5.6

2013

6.1

2018

7.2

2023

6.1

2001

5.9

2014

5.4

1968

6.4

2003

6.2

2023

6.5

1989

7.3

2016

6.7

2015

6.5

2012

5.1

2020

8.0

2016

6.3