1968

6.4

2006

7.2

2004

7.1

2021

7.7

2019

5.7

2009

5.6

1993

6.1

2022

6.0

2020

5.5

2017

6.0

2024

7.0

1990

5.2

2017

5.5

1963

7.7

2015

5.8

2023

6.6

2022

5.2

2018

5.9