2012

6.8

1988

5.3

2021

7.5

2017

6.2

2016

9.3

2023

5.6

2010

5.5

2014

6.0

2022

3.9

1981

5.1

2015

7.2

2014

6.0

2015

6.3

2018

5.8

2009

7.4

1992

5.4

2003

3.7