1999

4.6

1973

5.0

2006

6.5

2020

6.7

2017

5.6

1977

5.4

2024

6.5

1987

5.3

2019

6.4

2017

7.4

2022

6.1

1984

7.2

1970

7.7

1967

6.1

2021

6.3

1998

6.9

1977

6.4

2018

6.2

2012

6.0