2023

6.4

1975

7.0

2014

5.8

1998

5.7

2011

5.0

2018

6.5

1985

6.9

2021

6.0

2017

5.9

2009

6.2

1985

6.1

2017

6.1

2011

5.6

2023

6.8

2024

5.8

2012

6.4

2010

6.8

2015

6.6

5.3

2021

5.6