1986

6.2

2012

5.8

2015

6.6

2015

5.3

1933

6.2

1980

6.6

1966

6.1

2017

5.9

2006

6.8

1985

6.9

2017

6.6

2016

6.5

2024

6.4

2022

5.6

2013

6.6

2001

6.0

1980

5.9

2023

6.9

2021

6.6