1953

7.2

1972

6.3

2024

7.2

1992

6.4

2015

6.4

2014

3.5

2012

6.6

2021

7.0

2014

7.8

2016

7.7

2010

6.8

2008

6.7

2023

6.5

1965

6.3

6.6

1985

6.1

1999

6.6

2022

6.0

1985

6.8