2018

6.7

2012

6.1

1994

7.4

1969

5.1

1984

6.7

2018

6.5

1972

6.4

2016

7.3

2018

6.0

2014

5.4

1968

7.1

1991

7.0

2023

6.3

2021

5.7

2022

6.9

2017

6.9

1991

5.9

2017

6.9

2020

6.1

2018

5.6