2011

6.2

1953

7.2

1999

6.6

2013

6.7

2000

5.1

1993

6.5

2021

6.1

2022

7.0

2017

6.9

2020

6.5

2019

6.5

2023

6.3

2022

6.5

2016

6.5

2017

6.6

1998

6.5

1971

6.0

2014

7.0

1980

5.9

2006

6.8