1988

5.5

2021

7.6

2018

7.2

2020

6.8

2014

5.6

2003

5.2

2013

6.5

2021

7.5

1998

6.2

2016

6.1

2017

7.3

1971

7.7

2023

7.7

2024

6.9

2009

5.1

1986

5.9

2014

5.9

2019

5.5

2018

5.7

2017

6.9