1955

7.3

2001

7.4

2019

8.1

1972

8.7

2020

7.2

2019

8.5

2017

7.6

2022

7.6

2023

7.6

2010

8.4

2016

7.0

2021

7.9

2013

7.8

2014

7.9

1978

7.6

2015

7.5

1994

8.7

2019

8.2

2006

7.8

2014

8.0