1999

7.4

1973

8.0

2009

4.4

2021

7.6

2020

7.2

2016

8.1

2016

6.9

2023

9.7

2017

8.1

2012

7.8

2022

10.0

1984

8.5

1961

7.5

2019

6.5

2016

7.8

1997

7.3

1989

8.5

1991

8.2

2016

7.1

2018

8.2