2017

6.8

6.6

2011

6.6

2015

6.6

2016

7.2

2024

6.5

2024

6.8

2021

6.7

2018

6.3

2015

6.6

1992

6.4

2023

6.5

7.0

1968

6.9

1972

6.3

2020

6.4

2015

6.4

2024

6.6

1996

6.5

6.6